From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719360; cv=none; d=zoho.com; s=zohoarc; b=RxxO96Ie3/9yvjbNHZzhqN1QDkIB445BHdmix0jDoMSC0Lvmr0rcp/UcJOxBndYTefjxzSeSClnEQ5ozOYv0FfBYV4duksgZCVeVKR/ocLw0xx2T7flDfqIGY1ZvYQoqU2JAJwISZmII64AWpfZ0pOIqlo/euci7NWuBqioWUFU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719360; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=GqmmQpjOg7ca1bHfd29Yn+L44+4tuBK1s7t4Q7eT1h8=; b=JF0UmiUW4Yc4dBdKGdZ8MegBWW93mpGXxloKU0by9ieUNChg3HCQ5anHXxfk8CkiWhU9ViEl10kFZUMAgCtY8o7CbAWkVIM+9Qlxre9PoQaxb8hJuDUYsBYPr6V5nFt7z8qUCsxe1ZPzDMq8Qi5KTmfhSEQdXrioNF2AvOXBPXk= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719360164670.8621922731138; Thu, 1 Aug 2019 21:16:00 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxV-0005qH-18; Fri, 02 Aug 2019 04:14:25 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNB1-00072j-Px for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:15 +0000 Received: from mail-pl1-x641.google.com (unknown [2607:f8b0:4864:20::641]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 0f9b285d-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:14 +0000 (UTC) Received: by mail-pl1-x641.google.com with SMTP id 4so26013261pld.10 for ; Thu, 01 Aug 2019 19:20:14 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.11 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:12 -0700 (PDT) X-Inumbo-ID: 0f9b285d-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qVOEtC+FJUT8up8TCOoMm5YvZPMSmdk5e2B42ED2yyM=; b=RBxCANB3yj2IBv5n/MeFkevk6r/YWJp6ncSc5OW5MYkrOwdGQoB8NmKW/T7bWgCq4d ogyVsF3wAZIqX0pJbAgFZpVhPYy6OCZZYi41BAejxiD0VJCO8w/MyyeZOUOVBXs6OiBT 3HejGNLei8PHKM8Eoxy7r1HjtWg6EZKcWpVkGmP03BddemdqJEnch4O6hL9YpjUNSmsi S3idj2n9DD1vrmCTU9ZxixJF1czgcLrKpLmb9NIGAStVAt9/y4twPWvfN7Ux0CU8Wgrf xyg7g19gwJP3XgmJ+2kbBsMXQEe5u6yN514RiiZUh+ZUk9oY3+b/fuOz5O7S8kKnCATI uYVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qVOEtC+FJUT8up8TCOoMm5YvZPMSmdk5e2B42ED2yyM=; b=fLYdCJRHGc2ajRH9tbu2qTnM7oyu/6HvtNFFB3Cx61/dweC2P5PQsfqcEnPhcoZb3w xA8YdH8+KduSBni+cqq7BTVKUv7jJFNo90RnWxqBUR1jGtRFZZmlBozeBYUrq4x9m/8c 54PWyYhi6dnGnUyDNZezBlMt3iRr+wQK2Gg0Phk/5ZeIcSoAlhkWUkFmFMjyX3hX1bhT KF5q6EHd5xHRE5BO/jTY+BBPIduXIe7JjDopkeClnkyI9MLxSFQqccVtI3cm2qCNoNOa mtP298lFAb2smUBcXp5Z3cW3P+QVKwbH34KTMgS30UChQks3THefFPKIUWY6hi/msTKZ ml7A== X-Gm-Message-State: APjAAAV8Ss+VAM1IKnPQSJhI5sitRdp7vOEVoyCM3wwuiWAk3dLr9J8T AFmXt7/sW5ZZLeFLZIlF7Pk= X-Google-Smtp-Source: APXvYqzRQ4S39LIYUw8vjSMlFZMRPugsy/9HDj+OwNNSlxD2DcqfIJG2lr7vJHF9h1rGbVRTrjyILg== X-Received: by 2002:a17:902:e6:: with SMTP id a93mr128590426pla.175.1564712413432; Thu, 01 Aug 2019 19:20:13 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:32 -0700 Message-Id: <20190802022005.5117-2-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 01/34] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Matthew Wilcox , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard Provide more capable variation of put_user_pages_dirty_lock(), and delete put_user_pages_dirty(). This is based on the following: 1. Lots of call sites become simpler if a bool is passed into put_user_page*(), instead of making the call site choose which put_user_page*() variant to call. 2. Christoph Hellwig's observation that set_page_dirty_lock() is usually correct, and set_page_dirty() is usually a bug, or at least questionable, within a put_user_page*() calling chain. This leads to the following API choices: * put_user_pages_dirty_lock(page, npages, make_dirty) * There is no put_user_pages_dirty(). You have to hand code that, in the rare case that it's required. Cc: Matthew Wilcox Cc: Jan Kara Cc: Christoph Hellwig Cc: Ira Weiny Cc: Jason Gunthorpe Signed-off-by: John Hubbard --- drivers/infiniband/core/umem.c | 5 +- drivers/infiniband/hw/hfi1/user_pages.c | 5 +- drivers/infiniband/hw/qib/qib_user_pages.c | 5 +- drivers/infiniband/hw/usnic/usnic_uiom.c | 5 +- drivers/infiniband/sw/siw/siw_mem.c | 10 +- include/linux/mm.h | 5 +- mm/gup.c | 115 +++++++++------------ 7 files changed, 58 insertions(+), 92 deletions(-) diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 08da840ed7ee..965cf9dea71a 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -54,10 +54,7 @@ static void __ib_umem_release(struct ib_device *dev, str= uct ib_umem *umem, int d =20 for_each_sg_page(umem->sg_head.sgl, &sg_iter, umem->sg_nents, 0) { page =3D sg_page_iter_page(&sg_iter); - if (umem->writable && dirty) - put_user_pages_dirty_lock(&page, 1); - else - put_user_page(page); + put_user_pages_dirty_lock(&page, 1, umem->writable && dirty); } =20 sg_free_table(&umem->sg_head); diff --git a/drivers/infiniband/hw/hfi1/user_pages.c b/drivers/infiniband/h= w/hfi1/user_pages.c index b89a9b9aef7a..469acb961fbd 100644 --- a/drivers/infiniband/hw/hfi1/user_pages.c +++ b/drivers/infiniband/hw/hfi1/user_pages.c @@ -118,10 +118,7 @@ int hfi1_acquire_user_pages(struct mm_struct *mm, unsi= gned long vaddr, size_t np void hfi1_release_user_pages(struct mm_struct *mm, struct page **p, size_t npages, bool dirty) { - if (dirty) - put_user_pages_dirty_lock(p, npages); - else - put_user_pages(p, npages); + put_user_pages_dirty_lock(p, npages, dirty); =20 if (mm) { /* during close after signal, mm can be NULL */ atomic64_sub(npages, &mm->pinned_vm); diff --git a/drivers/infiniband/hw/qib/qib_user_pages.c b/drivers/infiniban= d/hw/qib/qib_user_pages.c index bfbfbb7e0ff4..6bf764e41891 100644 --- a/drivers/infiniband/hw/qib/qib_user_pages.c +++ b/drivers/infiniband/hw/qib/qib_user_pages.c @@ -40,10 +40,7 @@ static void __qib_release_user_pages(struct page **p, size_t num_pages, int dirty) { - if (dirty) - put_user_pages_dirty_lock(p, num_pages); - else - put_user_pages(p, num_pages); + put_user_pages_dirty_lock(p, num_pages, dirty); } =20 /** diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/= hw/usnic/usnic_uiom.c index 0b0237d41613..62e6ffa9ad78 100644 --- a/drivers/infiniband/hw/usnic/usnic_uiom.c +++ b/drivers/infiniband/hw/usnic/usnic_uiom.c @@ -75,10 +75,7 @@ static void usnic_uiom_put_pages(struct list_head *chunk= _list, int dirty) for_each_sg(chunk->page_list, sg, chunk->nents, i) { page =3D sg_page(sg); pa =3D sg_phys(sg); - if (dirty) - put_user_pages_dirty_lock(&page, 1); - else - put_user_page(page); + put_user_pages_dirty_lock(&page, 1, dirty); usnic_dbg("pa: %pa\n", &pa); } kfree(chunk); diff --git a/drivers/infiniband/sw/siw/siw_mem.c b/drivers/infiniband/sw/si= w/siw_mem.c index 67171c82b0c4..ab83a9cec562 100644 --- a/drivers/infiniband/sw/siw/siw_mem.c +++ b/drivers/infiniband/sw/siw/siw_mem.c @@ -63,15 +63,7 @@ struct siw_mem *siw_mem_id2obj(struct siw_device *sdev, = int stag_index) static void siw_free_plist(struct siw_page_chunk *chunk, int num_pages, bool dirty) { - struct page **p =3D chunk->plist; - - while (num_pages--) { - if (!PageDirty(*p) && dirty) - put_user_pages_dirty_lock(p, 1); - else - put_user_page(*p); - p++; - } + put_user_pages_dirty_lock(chunk->plist, num_pages, dirty); } =20 void siw_umem_release(struct siw_umem *umem, bool dirty) diff --git a/include/linux/mm.h b/include/linux/mm.h index 0334ca97c584..9759b6a24420 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1057,8 +1057,9 @@ static inline void put_user_page(struct page *page) put_page(page); } =20 -void put_user_pages_dirty(struct page **pages, unsigned long npages); -void put_user_pages_dirty_lock(struct page **pages, unsigned long npages); +void put_user_pages_dirty_lock(struct page **pages, unsigned long npages, + bool make_dirty); + void put_user_pages(struct page **pages, unsigned long npages); =20 #if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) diff --git a/mm/gup.c b/mm/gup.c index 98f13ab37bac..7fefd7ab02c4 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -29,85 +29,70 @@ struct follow_page_context { unsigned int page_mask; }; =20 -typedef int (*set_dirty_func_t)(struct page *page); - -static void __put_user_pages_dirty(struct page **pages, - unsigned long npages, - set_dirty_func_t sdf) -{ - unsigned long index; - - for (index =3D 0; index < npages; index++) { - struct page *page =3D compound_head(pages[index]); - - /* - * Checking PageDirty at this point may race with - * clear_page_dirty_for_io(), but that's OK. Two key cases: - * - * 1) This code sees the page as already dirty, so it skips - * the call to sdf(). That could happen because - * clear_page_dirty_for_io() called page_mkclean(), - * followed by set_page_dirty(). However, now the page is - * going to get written back, which meets the original - * intention of setting it dirty, so all is well: - * clear_page_dirty_for_io() goes on to call - * TestClearPageDirty(), and write the page back. - * - * 2) This code sees the page as clean, so it calls sdf(). - * The page stays dirty, despite being written back, so it - * gets written back again in the next writeback cycle. - * This is harmless. - */ - if (!PageDirty(page)) - sdf(page); - - put_user_page(page); - } -} - /** - * put_user_pages_dirty() - release and dirty an array of gup-pinned pages - * @pages: array of pages to be marked dirty and released. + * put_user_pages_dirty_lock() - release and optionally dirty gup-pinned p= ages + * @pages: array of pages to be maybe marked dirty, and definitely releas= ed. * @npages: number of pages in the @pages array. + * @make_dirty: whether to mark the pages dirty * * "gup-pinned page" refers to a page that has had one of the get_user_pag= es() * variants called on that page. * * For each page in the @pages array, make that page (or its head page, if= a - * compound page) dirty, if it was previously listed as clean. Then, relea= se - * the page using put_user_page(). + * compound page) dirty, if @make_dirty is true, and if the page was previ= ously + * listed as clean. In any case, releases all pages using put_user_page(), + * possibly via put_user_pages(), for the non-dirty case. * * Please see the put_user_page() documentation for details. * - * set_page_dirty(), which does not lock the page, is used here. - * Therefore, it is the caller's responsibility to ensure that this is - * safe. If not, then put_user_pages_dirty_lock() should be called instead. + * set_page_dirty_lock() is used internally. If instead, set_page_dirty() = is + * required, then the caller should a) verify that this is really correct, + * because _lock() is usually required, and b) hand code it: + * set_page_dirty_lock(), put_user_page(). * */ -void put_user_pages_dirty(struct page **pages, unsigned long npages) +void put_user_pages_dirty_lock(struct page **pages, unsigned long npages, + bool make_dirty) { - __put_user_pages_dirty(pages, npages, set_page_dirty); -} -EXPORT_SYMBOL(put_user_pages_dirty); + unsigned long index; =20 -/** - * put_user_pages_dirty_lock() - release and dirty an array of gup-pinned = pages - * @pages: array of pages to be marked dirty and released. - * @npages: number of pages in the @pages array. - * - * For each page in the @pages array, make that page (or its head page, if= a - * compound page) dirty, if it was previously listed as clean. Then, relea= se - * the page using put_user_page(). - * - * Please see the put_user_page() documentation for details. - * - * This is just like put_user_pages_dirty(), except that it invokes - * set_page_dirty_lock(), instead of set_page_dirty(). - * - */ -void put_user_pages_dirty_lock(struct page **pages, unsigned long npages) -{ - __put_user_pages_dirty(pages, npages, set_page_dirty_lock); + /* + * TODO: this can be optimized for huge pages: if a series of pages is + * physically contiguous and part of the same compound page, then a + * single operation to the head page should suffice. + */ + + if (!make_dirty) { + put_user_pages(pages, npages); + return; + } + + for (index =3D 0; index < npages; index++) { + struct page *page =3D compound_head(pages[index]); + /* + * Checking PageDirty at this point may race with + * clear_page_dirty_for_io(), but that's OK. Two key + * cases: + * + * 1) This code sees the page as already dirty, so it + * skips the call to set_page_dirty(). That could happen + * because clear_page_dirty_for_io() called + * page_mkclean(), followed by set_page_dirty(). + * However, now the page is going to get written back, + * which meets the original intention of setting it + * dirty, so all is well: clear_page_dirty_for_io() goes + * on to call TestClearPageDirty(), and write the page + * back. + * + * 2) This code sees the page as clean, so it calls + * set_page_dirty(). The page stays dirty, despite being + * written back, so it gets written back again in the + * next writeback cycle. This is harmless. + */ + if (!PageDirty(page)) + set_page_dirty_lock(page); + put_user_page(page); + } } EXPORT_SYMBOL(put_user_pages_dirty_lock); =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719338; cv=none; d=zoho.com; s=zohoarc; b=h/UPEZ34ZvmAsqU3Vd0FhnB7f5YK+j4x4aGbEtDLORIU4LaGMmdotXYZ4iYNTgtGefDn3h+5TGeFX7zHPNWxhxzIVwCOM4jgr5Udr8d675EZ6DGq5Ouk9W2R7Xm4RpJFW9Go4BkymfHYehobc/YQUgfp76zCbzAIgrbYzIWKliY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719338; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=6tQcXmtjrds9wubtE88FSoE/grxh5BVW/A4tNBqHwsc=; b=IG8mDkVhw90EOYAV74HgnOkeL4Ie3HYZJkB3JLGP0n5r6alP+ExZSBSz3Z0OvImCNvOG8F1/RUJm8ZtEeh9EJSg4wMcmozrI9jPHP+gYU7q/EdRLfUMPqbKbczmOenFt9ZCu8MdCc0lT9ysAlTFC2suMqPve/JIOskc2ORqeFdI= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719338730958.435184098771; Thu, 1 Aug 2019 21:15:38 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxV-0005qN-Bd; Fri, 02 Aug 2019 04:14:25 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNB3-00072t-5y for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:17 +0000 Received: from mail-pl1-x643.google.com (unknown [2607:f8b0:4864:20::643]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1057c8b3-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:15 +0000 (UTC) Received: by mail-pl1-x643.google.com with SMTP id ay6so33057616plb.9 for ; Thu, 01 Aug 2019 19:20:15 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.13 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:14 -0700 (PDT) X-Inumbo-ID: 1057c8b3-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qSYlns3rxzw4u/DyjG2ivKH4pSlvpz3tTvNpv+Vzl0A=; b=D/j6QNqz3yFiYsyeUlBoZoB8rZu5aCb/yvzz1zxOgNp3ybEqPbsxe9btxXQCwNnRiL 1hhEXFWz1aCfU0TnFrQv5Hdu1Y4yj+09YOcLKnBgch2wIeWxdJn+CuF7gDQRR3DG86LM Y2SvxC7kLx20v2OT7+JApu4gV5A7mbLpTUBZ6FnTk6beDldtvE5mb/QvfkkyqN0v2VG1 9ofVdaCVs4q01OeX0AkhxB3Ji5RomrK0H8nso03ee71VFXG/bdlheK3cdFpHFmb/m/jZ kT41q1q3qFT4PGqgyOwuRL5tvfmQTGDLJg5egH8fWfpo6yuqqIAezax6SWmNi42S34sa BMyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qSYlns3rxzw4u/DyjG2ivKH4pSlvpz3tTvNpv+Vzl0A=; b=nrbAPOG3RZbGJzXTE3Kk+7tOVq3su+Vq51nU1dXydoVwLCwzNwLnx7GBE2T8Wa7UfH A3lTo6LLAhjvwx8sXyOoSsdJfP3WTxPvLauYlNq9/B9LcMVpyzlrU1W5PCr4YeqiJbGm sbtTqOEixHoJpHEfXzaCdrdmuuyUcKcX37SJKfRz18aSSE4Y8UXYWjA27mphLYJBIypu jcDPCVZ5R3L64Ox0c7e3/50YFKZKHK3kpKM3ojbyTTFdeuiJZDv/nXAlasWhANaQlkM/ a6+c3vI+2eklklY7J3ORoNdUNT9ibSE+z85UaSH5Kha0rhTV3+tK8fXtidx+1xfx+XXx DWZg== X-Gm-Message-State: APjAAAWo3U3Ce5pEBMZ9XwFgGtaLcwxc6ptn4o21bt2sskZWWaKJ5AQ3 MLeGn9X1mzBuFVS0PRc93n8= X-Google-Smtp-Source: APXvYqwe/PIHkPn7ZzlBTJ10qqxG8IKfziWCo/9dNIX4ajnyTWnRigA/C0Xc1g8+MHenU4v2W+nK1Q== X-Received: by 2002:a17:902:24b:: with SMTP id 69mr123383293plc.250.1564712414959; Thu, 01 Aug 2019 19:20:14 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:33 -0700 Message-Id: <20190802022005.5117-3-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 02/34] net/rds: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, Santosh Shilimkar , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, "David S . Miller" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Santosh Shilimkar Cc: David S. Miller Cc: netdev@vger.kernel.org Cc: linux-rdma@vger.kernel.org Cc: rds-devel@oss.oracle.com Signed-off-by: John Hubbard --- net/rds/info.c | 5 ++--- net/rds/message.c | 2 +- net/rds/rdma.c | 15 +++++++-------- 3 files changed, 10 insertions(+), 12 deletions(-) diff --git a/net/rds/info.c b/net/rds/info.c index 03f6fd56d237..ca6af2889adf 100644 --- a/net/rds/info.c +++ b/net/rds/info.c @@ -162,7 +162,6 @@ int rds_info_getsockopt(struct socket *sock, int optnam= e, char __user *optval, struct rds_info_lengths lens; unsigned long nr_pages =3D 0; unsigned long start; - unsigned long i; rds_info_func func; struct page **pages =3D NULL; int ret; @@ -235,8 +234,8 @@ int rds_info_getsockopt(struct socket *sock, int optnam= e, char __user *optval, ret =3D -EFAULT; =20 out: - for (i =3D 0; pages && i < nr_pages; i++) - put_page(pages[i]); + if (pages) + put_user_pages(pages, nr_pages); kfree(pages); =20 return ret; diff --git a/net/rds/message.c b/net/rds/message.c index 50f13f1d4ae0..d7b0d266c437 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -404,7 +404,7 @@ static int rds_message_zcopy_from_user(struct rds_messa= ge *rm, struct iov_iter * int i; =20 for (i =3D 0; i < rm->data.op_nents; i++) - put_page(sg_page(&rm->data.op_sg[i])); + put_user_page(sg_page(&rm->data.op_sg[i])); mmp =3D &rm->data.op_mmp_znotifier->z_mmp; mm_unaccount_pinned_pages(mmp); ret =3D -EFAULT; diff --git a/net/rds/rdma.c b/net/rds/rdma.c index 916f5ec373d8..6762e8696b99 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -162,8 +162,7 @@ static int rds_pin_pages(unsigned long user_addr, unsig= ned int nr_pages, pages); =20 if (ret >=3D 0 && ret < nr_pages) { - while (ret--) - put_page(pages[ret]); + put_user_pages(pages, ret); ret =3D -EFAULT; } =20 @@ -276,7 +275,7 @@ static int __rds_rdma_map(struct rds_sock *rs, struct r= ds_get_mr_args *args, =20 if (IS_ERR(trans_private)) { for (i =3D 0 ; i < nents; i++) - put_page(sg_page(&sg[i])); + put_user_page(sg_page(&sg[i])); kfree(sg); ret =3D PTR_ERR(trans_private); goto out; @@ -464,9 +463,10 @@ void rds_rdma_free_op(struct rm_rdma_op *ro) * to local memory */ if (!ro->op_write) { WARN_ON(!page->mapping && irqs_disabled()); - set_page_dirty(page); + put_user_pages_dirty_lock(&page, 1, true); + } else { + put_user_page(page); } - put_page(page); } =20 kfree(ro->op_notifier); @@ -481,8 +481,7 @@ void rds_atomic_free_op(struct rm_atomic_op *ao) /* Mark page dirty if it was possibly modified, which * is the case for a RDMA_READ which copies from remote * to local memory */ - set_page_dirty(page); - put_page(page); + put_user_pages_dirty_lock(&page, 1, true); =20 kfree(ao->op_notifier); ao->op_notifier =3D NULL; @@ -867,7 +866,7 @@ int rds_cmsg_atomic(struct rds_sock *rs, struct rds_mes= sage *rm, return ret; err: if (page) - put_page(page); + put_user_page(page); rm->atomic.op_active =3D 0; kfree(rm->atomic.op_notifier); =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719340; cv=none; d=zoho.com; s=zohoarc; b=h+HQ57EnF+lZw878/i6XLWm4ilJB7pm7U1F2eD5VVAnRQEshlp5tPv+nkNm7MLYiqNokgyHMFdmFZ4HC374jldEr3+fakTwSbjOL4G2Q5ebc9/CVZ5cFKapveWLn7zln58xa1cDJTSFHFLOL37JaQIVX51mLCZEXWU89l9BxLDM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719340; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=N98fgUX5A1JAvi3TOFd9uOYuAfwxeuQPIFwRk4qbeYw=; b=PISptH2ZIu0IqxayeaDAeQNlnXIIQVlXq6nBFkS9T4dr9fFzEjd+WkXwSM7Yv1yEE+knNhkPX2dPdmLtdXxpTesE2d2Oz6wbReZVVQ9UnqNHssMEq+60YG9NGyl/1G1Wc6d+sZ2tG1ec/MJ5F41st2q9MZzIDL6tXjTakjBZa6o= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719340284162.4740268717453; Thu, 1 Aug 2019 21:15:40 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxV-0005qT-LD; Fri, 02 Aug 2019 04:14:25 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNB3-00072y-Ro for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:17 +0000 Received: from mail-pg1-x543.google.com (unknown [2607:f8b0:4864:20::543]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 113b639f-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:17 +0000 (UTC) Received: by mail-pg1-x543.google.com with SMTP id t132so35227704pgb.9 for ; Thu, 01 Aug 2019 19:20:16 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.14 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:16 -0700 (PDT) X-Inumbo-ID: 113b639f-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=weSPcOAlMB+nks0BWLOsxsBmAu907UZGrfndvq6oQnc=; b=g/PNAVO1jcA7rjmvur5Gi5SyBm+cHCwd0FZu0S4Yd4WKYY8nqKUy+Kjq5L8LbAIDam oq+DMw/apiFaV6V9t2AYTvJ0UtZRGdqpPgiFYeIHq5U9A659jHv3iijVBsi80zStn1WW yA7d3ZYX2ikKALXpz54vXEPMXgXSlYxT87JksMZBQueD34Vn0QLhvvHOTCuzyirgAxhY PS1hXIRKbtV044f7MD5ThhAFxJavcS5DN9nP30sURDOyWv4TACAbp0MhELnCZVrxEr+Y L5R1pu68TEBkTXOjXzFMyL79KTHMlgJNcYv+KmIulF31bskwh/7J7wKRv6nstiIy1Eix KMbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=weSPcOAlMB+nks0BWLOsxsBmAu907UZGrfndvq6oQnc=; b=FcUBxPE1PinHcZ6XbJI5UD/V+/Nc6DQI/y38nr8CTe/HJk7qqmbCOxxz49obHW2As0 45Gwi7JKChjz97aFc0jmmMGn4X+KHEIC70FW2DU501STZKTJTSOV4j3A3AcP2wtinrEn n0sIu15jZhTW7f5x7xU/V8jDYUrEt+AoWvfLEcLUL/VPFej2ZmZZ8CHbMGn+Ja1ccGXb iKB5FD2Q+TH0IAK9vzVutR9G6sDXt9UwBFGTQi3EjavnApPcUE1TaT8/MrlhLW6IA4vt xvFbAbDcpRHQZchWgJlwlj7gRVm5vP+HNhe9ZAV2Xqd0EGU1azBZOGlgLClt9s/v0cGZ iKdQ== X-Gm-Message-State: APjAAAXh+JZGjxNvG+3pqpvvYQCrxSieXU1683Khw/YkczB5mxYb9NP+ 5ZBTJy0ssaICnxSuRvBQixk= X-Google-Smtp-Source: APXvYqxciGgcMDXcQ3A2dbcQcp1f7eltXWtJvGVKyn0lRu+bq9UEFtA9QCl9A6sNDZqj7/W8XpREEA== X-Received: by 2002:a17:90a:2385:: with SMTP id g5mr1977411pje.12.1564712416439; Thu, 01 Aug 2019 19:20:16 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:34 -0700 Message-Id: <20190802022005.5117-4-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 03/34] net/ceph: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, Sage Weil , linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, Ilya Dryomov , devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, "David S . Miller" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Ilya Dryomov Cc: Sage Weil Cc: David S. Miller Cc: ceph-devel@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: John Hubbard Acked-by: Jeff Layton --- net/ceph/pagevec.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index 64305e7056a1..c88fff2ab9bd 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -12,13 +12,7 @@ =20 void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty) { - int i; - - for (i =3D 0; i < num_pages; i++) { - if (dirty) - set_page_dirty_lock(pages[i]); - put_page(pages[i]); - } + put_user_pages_dirty_lock(pages, num_pages, dirty); kvfree(pages); } EXPORT_SYMBOL(ceph_put_page_vector); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719336; cv=none; d=zoho.com; s=zohoarc; b=EiDnhDMtm1da8V9F1Ib+CyxxJKb2nsy4QFFmJEBy3t8PPpVTK/t4s703vOxCMGT+0mgwazWwklbOACCNcSX6U+yf7fbJLs3WtgfmAPVKi0zC+8AYdxSRn+9GpNyeziRPZIVWn5r3iEJYqgUo//vVUdL4TS3D8s57Klr84P36JDs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719336; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=0naXTuwc8vlLBfSI+F7/Mw29GXmSmljiYgsML7NwsQA=; b=b0CVZbOm/d/i0SQgVqMvYx9cbSvZLzT0KuU6ps6eNq6L1FDymyMGiSXfEQeK79iDitQH3ljdc3ZX0b+YnaOCblr1njFdo6S5uVxGlSKckWOhuraL0Y6sga1u+p0hcRgFN2mjChsqbzPAxMt2YFM1EBtC2OmfobCrclVnyxuAARw= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719336723456.25064098030305; Thu, 1 Aug 2019 21:15:36 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxV-0005qZ-Uq; Fri, 02 Aug 2019 04:14:25 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNB5-00073V-Oa for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:19 +0000 Received: from mail-pf1-x444.google.com (unknown [2607:f8b0:4864:20::444]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 122d20c9-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:18 +0000 (UTC) Received: by mail-pf1-x444.google.com with SMTP id y15so35161985pfn.5 for ; Thu, 01 Aug 2019 19:20:18 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.16 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:17 -0700 (PDT) X-Inumbo-ID: 122d20c9-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=8SOviSW3O4erJ4o/T7vOdTDRu8uyyXM9kIDmKsHyj7c=; b=fX9VH11/xtmCZY5ktyfRXv+8oFT24qnzRAke9R5fEGSeD2IzOy84ZG8im/eaEUg8Lt YkXZtAgFC41AXSsr/ysnzaRAFRybM7sVVSGjTeMscCtwe6TgKQtIwxVTNVhX+CyOlaHj zyT65gbiAfpxTAt1YaJp886/lI6PgypiCjw7omXplGhR0qwXivcLAeNmtsNmtXQS2+4w xqKa+JcZGRrR5eWJB589WBbm/hXzKEauxkOa/UURNDAyCoi6UPYtZRE7atesr45WwiIq ErXdMxUJmMSia9/QMT7Nme9zP4x0BmIDxW3018QpZobBFVGv7P1VjjU6MaObsA2EybjP VU2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=8SOviSW3O4erJ4o/T7vOdTDRu8uyyXM9kIDmKsHyj7c=; b=sluyxTb3AoQNTz2Nonuu0KxB0eEkNGcYuOv8sQaDF6CPhgREzGm9evcQvdZBbMQF4S Yf/B3zDvEM3lhW78E245sFARNXtTtDX0Afv1YyaceAPS1UnkkU+2e0v52vYXPfsT2FHZ ypdodBRoyxVih5RS5+U4emOcbhx6J2GRsyZk5t8uPN1wxoiMsAUVM751pWVWJtaIj4M0 HXma2uXIo4FHOR8TxzWxdoeFYwmjeLr+JDH3VOp6WfGH5nBTKYIasECed0sN22MslrzM BlVcqCz9a/N0UCPiiDc7WqsWbMU7zoUYfYVW2Fc4r5iva8Ze2X4/Ok0E7aXnOLoLY+B1 NwtA== X-Gm-Message-State: APjAAAXwbFTbEGVVhO69olhm/juJ5ts21OpWUT2/rpsevotcFj+F44Fw EYvUnCX0dtmFjQseHmxrPzg= X-Google-Smtp-Source: APXvYqy6SxWBaLdRR2vg6Lx/woJAETS/7eDG5dTzML6C7DLLIiEKJ1wWpgVv8K7hxMNjNoQ+Y+s8Dw== X-Received: by 2002:a17:90a:8c92:: with SMTP id b18mr1836391pjo.97.1564712418017; Thu, 01 Aug 2019 19:20:18 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:35 -0700 Message-Id: <20190802022005.5117-5-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 04/34] x86/kvm: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, "H. Peter Anvin" , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, Joerg Roedel , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, Thomas Gleixner , linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Paolo Bonzini Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Joerg Roedel Cc: Paolo Bonzini Cc: "Radim Kr=C4=8Dm=C3=A1=C5=99" Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" Cc: x86@kernel.org Cc: kvm@vger.kernel.org Signed-off-by: John Hubbard --- arch/x86/kvm/svm.c | 4 ++-- virt/kvm/kvm_main.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 7eafc6907861..ff93c923ed36 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1827,7 +1827,7 @@ static struct page **sev_pin_memory(struct kvm *kvm, = unsigned long uaddr, =20 err: if (npinned > 0) - release_pages(pages, npinned); + put_user_pages(pages, npinned); =20 kvfree(pages); return NULL; @@ -1838,7 +1838,7 @@ static void sev_unpin_memory(struct kvm *kvm, struct = page **pages, { struct kvm_sev_info *sev =3D &to_kvm_svm(kvm)->sev_info; =20 - release_pages(pages, npages); + put_user_pages(pages, npages); kvfree(pages); sev->pages_locked -=3D npages; } diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 887f3b0c2b60..4b6a596ea8e9 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1499,7 +1499,7 @@ static int hva_to_pfn_slow(unsigned long addr, bool *= async, bool write_fault, =20 if (__get_user_pages_fast(addr, 1, 1, &wpage) =3D=3D 1) { *writable =3D true; - put_page(page); + put_user_page(page); page =3D wpage; } } @@ -1831,7 +1831,7 @@ EXPORT_SYMBOL_GPL(kvm_release_page_clean); void kvm_release_pfn_clean(kvm_pfn_t pfn) { if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn)) - put_page(pfn_to_page(pfn)); + put_user_page(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_release_pfn_clean); =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719350; cv=none; d=zoho.com; s=zohoarc; b=Q1XBxbcCvOj4OHFXA6j4eBc9vtagIl+jyzE5UIQUoavpIl4USRz6HmJHbDXiiSsKWPOtRfPVFrOhwSQQ3v85ftaGXFaXKHqIohK23OHuKwKsP1PGlJ4nNp5TG4UEB+9hicTf8rxm3godOl4hfcGYh6QMoA+2eKzjJkV63CXBUuo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719350; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=4ljqv02Yel73IW5DayRhA80V+fpkKbOwYGO/b0E67HM=; b=Xg9tvMjLejhjYRj5xN8yHQbwVDC22iny94IqzMsGuwvTJ7QErUBAYBVTfku10FLoL/YpE0/Jv/xc0JiVvZrDvCWOK/ofkJ/HZ97eGn+DjxCCVdXtpOFGvay16Nx5v6zdG+AoU/XuoWgCa7zFGtW+z6EmwXR7eH0DsZ6QjO7iEFc= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719350643133.68904323906963; Thu, 1 Aug 2019 21:15:50 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxW-0005qf-8I; Fri, 02 Aug 2019 04:14:26 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNB7-00073o-4M for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:21 +0000 Received: from mail-pl1-x642.google.com (unknown [2607:f8b0:4864:20::642]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1324dda1-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:20 +0000 (UTC) Received: by mail-pl1-x642.google.com with SMTP id ay6so33057707plb.9 for ; Thu, 01 Aug 2019 19:20:20 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.18 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:19 -0700 (PDT) X-Inumbo-ID: 1324dda1-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=pwlX9Z4uen7Ts0pUwmBLgDhtihaB/D0UZN8JDoMe4ZA=; b=cXVKp+Dgxhj784uTGfvPyG1yYJG0TluF022pFhUyHpRdik351Pihe9of7XZeuP0Vwt h/i6WlGcIKVNKfHSeDSEUHKJX3j3X/NshFFci/lhMH4/SgEjIokRiJ+YouFN6I+GBm4y zUjQOfq6557LaDfB1SW3dyyvMia7x+7GSnkQpaKA5dSoAhqdxSb/NVVqK5YIHjTvA0IX 6H4EsdOomJX2kg/hRhJVVxm3sX/zmn87r9Fum/tKlkDFYTmAnDUVoJ7rlCgUuzHH8DwS QuPnhojZwqXr2XSW6HhlWm7VIgfEjZi50Ea1bZ4R+3m+Y3fnnezSFaVuWGen2JpYqC8g nI5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=pwlX9Z4uen7Ts0pUwmBLgDhtihaB/D0UZN8JDoMe4ZA=; b=TnUrC7wn7x2lufWqU0v/pXGvrJxwGWF9xIC+Qkr0mVYNrFGgDo0luZD9Po+bWf0FVc 14RDAkgonaSWFx8OhpB+CrR39+NH1G1zQx9RtMq7Ae+dE+aTR3KtFAJ9K0XEVmiG8BHV CXddcHq7ZZIC41L3An74F+uzU9J8HCvHT7zbBqObpIq1p83Ymz0FCh65TyJxFDRQ/8Mp wJBDulpxj1no9pY6hn8DeEV3SOLOEIMTJdA8P87wGTkfA/L+nGY1iM22dwsrq3nwSmy5 5z2cIL37G4DD4zIxU+X99qovYuMsY3jQxuw3Ilxy6Is1/k7gjt4xXjHLDb/zNX4K4fzq 3i5A== X-Gm-Message-State: APjAAAUzxoWRCJsd/f6+gyRICqPrAbIe2cy7NMF15rje2DINzeQixoy2 tOnYJbZDwCMpl3eUDIEPO/g= X-Google-Smtp-Source: APXvYqzjw3eL+xmFFeLCY8pAtt0uU+dboybjV0Tj2XnMiuSE8KPva7u+GlTOi6iXLJ1oNBX2ZlUCDA== X-Received: by 2002:a17:902:a413:: with SMTP id p19mr129958448plq.134.1564712419691; Thu, 01 Aug 2019 19:20:19 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:36 -0700 Message-Id: <20190802022005.5117-6-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 05/34] drm/etnaviv: convert release_pages() to put_user_pages() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, "H. Peter Anvin" , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, Joerg Roedel , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Borislav Petkov , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, Thomas Gleixner , linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Paolo Bonzini Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Joerg Roedel Cc: Paolo Bonzini Cc: "Radim Kr=C4=8Dm=C3=A1=C5=99" Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: "H. Peter Anvin" Cc: x86@kernel.org Cc: kvm@vger.kernel.org Signed-off-by: John Hubbard --- drivers/gpu/drm/etnaviv/etnaviv_gem.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnavi= v/etnaviv_gem.c index e8778ebb72e6..a0144a5ee325 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -686,7 +686,7 @@ static int etnaviv_gem_userptr_get_pages(struct etnaviv= _gem_object *etnaviv_obj) ret =3D get_user_pages_fast(ptr, num_pages, !userptr->ro ? FOLL_WRITE : 0, pages); if (ret < 0) { - release_pages(pvec, pinned); + put_user_pages(pvec, pinned); kvfree(pvec); return ret; } @@ -710,7 +710,7 @@ static void etnaviv_gem_userptr_release(struct etnaviv_= gem_object *etnaviv_obj) if (etnaviv_obj->pages) { int npages =3D etnaviv_obj->base.size >> PAGE_SHIFT; =20 - release_pages(etnaviv_obj->pages, npages); + put_user_pages(etnaviv_obj->pages, npages); kvfree(etnaviv_obj->pages); } } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719339; cv=none; d=zoho.com; s=zohoarc; b=lSOoRExeR6gg4y2EtU7BvVf9Fr4Sq7Wwh9VRmvI3b+Syi3LFtBIr9HvnMjbTva4PEtD6ZpsCYKtH35uhGjTa2GiuIclyMNuva+lX+Dz+19xuwrweHWMxFXD1EZaugZnWN75intCAxpAEFp+4UswruD0C6qfqXsSi+PeEbzgzkxU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719339; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=qjcBLr3lzXO2ZmLxRy8K7eA31R8Rfh2fr3P7oZNaikQ=; b=hb4gqq8IuNRk97cCD43g4aYgVF9et1igGoz6TSWWvhtqq3Z71SyIn77vZQzXjmZq9vsFgVTnPNs10Eb6JCDoJGsLdlklnTr38mTTQ21hPr6mehDmil1cLHNwcJETU8Ns4wGOLPnHTKEeL+RBHzLisFqpS3BXxrHaEyn2nFsIm68= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719339122227.72908620688008; Thu, 1 Aug 2019 21:15:39 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxW-0005ql-Jv; Fri, 02 Aug 2019 04:14:26 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNB8-00074F-L3 for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:22 +0000 Received: from mail-pl1-x644.google.com (unknown [2607:f8b0:4864:20::644]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 14152e4a-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:21 +0000 (UTC) Received: by mail-pl1-x644.google.com with SMTP id y8so33024939plr.12 for ; Thu, 01 Aug 2019 19:20:21 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.19 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:20 -0700 (PDT) X-Inumbo-ID: 14152e4a-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=fEUR/G5OnJcefSlX4AYJWWcgqHhC+JXxEofDOG22P/4=; b=ZjBIvPI6FGYYuQaoM3wYb6xPjNep6A1qdBgLoxOD+angQDRZC9mN7qZBiGsA4x1Mmk DVp0b1Fq3km/l8LFUFJZZReS797zF2kYF9KrMWUllVa8HFfcUrM1hAE1P/qQjXzrMnOX JxD/xFl+WZHXSEuAGF9iElPEIqC+TRo873joNlnRMAHY9AMqSmLW3nsU27bTpXhcFKV6 4LeM2yIf45e6IoMit2yX6aFzmLhkspb/EkG8Tlqf3bZNN4WeHI7tMYFctQdF6liMtwoJ IvfT9HS49sxx2bYOPNOBswTMjccuTwXWnzyhwEMT1ktty7/Al6mbgY/88Wt++RCGQUor cVVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=fEUR/G5OnJcefSlX4AYJWWcgqHhC+JXxEofDOG22P/4=; b=msNJc+hpl9cdrQjpjGWecbsxoGjSSGKF0IOoakIo1eqUxs96PIEJU1qpijNwQNYj9C wx0F4Et+KPo0Ax5SKs9Ze5hEYz5PW8qV3gx9tWK2iCcFJgqfZFHFuK2tsOz6XcSeBMPu +pI3Ufu/Xia7UWK85PQONupFySf0K3UGaI4sDkjqNVrxaPcp11/1fB7uvyflsB9DoXHK br2rRcLRyMLjasnNd56SHqILnUMGONscyyjN+Rz60g4B2+aVr0puivHDOl2Ua5JIUXTD xSjdTZdeN/xB5RKgB2F0ui3BmgT+8YCayEZ2WaKhAeaiMIYSqPbwNhMNByivICos2E9v E5qw== X-Gm-Message-State: APjAAAVUs+aBFzYw4ydnfJ4O+RI6TJjmfFvai92uQq3c/ZT4ZYr3OBKc nDnDbmFOEP8oNAV88wSPokU= X-Google-Smtp-Source: APXvYqx7CDlh0PC+iGQbvpFabXIK4hA95kcB6ECyCRgjU7tdLEhAXCZnA9jGvinS59yHHVq1pirulQ== X-Received: by 2002:a17:902:a409:: with SMTP id p9mr130268364plq.218.1564712421229; Thu, 01 Aug 2019 19:20:21 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:37 -0700 Message-Id: <20190802022005.5117-7-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 06/34] drm/i915: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, David Airlie , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Joonas Lahtinen , John Hubbard , intel-gfx@lists.freedesktop.org, Jani Nikula , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Rodrigo Vivi , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Note that this effectively changes the code's behavior in i915_gem_userptr_put_pages(): it now calls set_page_dirty_lock(), instead of set_page_dirty(). This is probably more accurate. As Christophe Hellwig put it, "set_page_dirty() is only safe if we are dealing with a file backed page where we have reference on the inode it hangs off." [1] [1] https://lore.kernel.org/r/20190723153640.GB720@lst.de Cc: Jani Nikula Cc: Joonas Lahtinen Cc: Rodrigo Vivi Cc: David Airlie Cc: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: John Hubbard --- drivers/gpu/drm/i915/gem/i915_gem_userptr.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/= i915/gem/i915_gem_userptr.c index 528b61678334..c18008d3cc2a 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -527,7 +527,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct = *_work) } mutex_unlock(&obj->mm.lock); =20 - release_pages(pvec, pinned); + put_user_pages(pvec, pinned); kvfree(pvec); =20 i915_gem_object_put(obj); @@ -640,7 +640,7 @@ static int i915_gem_userptr_get_pages(struct drm_i915_g= em_object *obj) __i915_gem_userptr_set_active(obj, true); =20 if (IS_ERR(pages)) - release_pages(pvec, pinned); + put_user_pages(pvec, pinned); kvfree(pvec); =20 return PTR_ERR_OR_ZERO(pages); @@ -663,11 +663,8 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object = *obj, i915_gem_gtt_finish_pages(obj, pages); =20 for_each_sgt_page(page, sgt_iter, pages) { - if (obj->mm.dirty) - set_page_dirty(page); - mark_page_accessed(page); - put_page(page); + put_user_pages_dirty_lock(&page, 1, obj->mm.dirty); } obj->mm.dirty =3D false; =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719367; cv=none; d=zoho.com; s=zohoarc; b=Amn3htfQ/hgKKefFZj7XwvcF42WIvJ/HpwMjnWwtcrEzvNu6oZDasZ1ndViiYqYmAri0ry3FspT9Z7ZLeUAbFwS8r5bjyfI9p+kOw9BSRJ0EG08KeI0tdnkP8ghSQKICSnkuSMgjI1vI5tbdzsZL5OID3EbrvCeT8QOEXw7NO0M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719367; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=a8cmNWLlZM98XG3uThwxM9+3tTBMuCNi7AKFGD2S8ek=; b=iU7MgyK57szGTf9LavOi3ZyL0ABHA820XwiTi79raCvLVQGx0TGLSCEEK3r6X0+x2OSkOofa7BsgMbp+O1yoEIEmlwyjSUNF5oXX4UuD350G2jVTNIF/9xTbMlsP2iVr5Jto383aaf9NVS09YmB5PNyIkCZ7IH8Go2YNk8hw33I= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719367263899.8509245527669; Thu, 1 Aug 2019 21:16:07 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxW-0005qr-Sg; Fri, 02 Aug 2019 04:14:26 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNB9-00074Q-Ui for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:23 +0000 Received: from mail-pl1-x642.google.com (unknown [2607:f8b0:4864:20::642]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 14fab264-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:23 +0000 (UTC) Received: by mail-pl1-x642.google.com with SMTP id t14so32989959plr.11 for ; Thu, 01 Aug 2019 19:20:23 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.21 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:22 -0700 (PDT) X-Inumbo-ID: 14fab264-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=o2GwgSJoRuvPfZ2J7Awdgxw+WyrY01QvDnyFb1fV9Xk=; b=JHrYMRfeJbxJPRvVu2mUWlOPSRz5X9TsMoYGj7w11YGTme72BLb2VCmJtiT1crMj8E WFW+MhbnbkJpTwkrKMzEtbVI7vTqXv+SI+hFx6FZWh0IsKOr81DSRZrT3ou0zge/dnd5 EXgsdat7mGxiPUC4r8AnIJEtDvOIZL+G3eepAaSt906tZ2zy13M8CWEIWzA2V9xqXZwe 3r8aKK6oVTx9NMfrfbSmVNdddYS2ismfu/I+qiVZNMv3LWt0KFKP68hGnbZ9FH7YXxJX ux6o95ZiuMx2wtoGxh0CwNNs1fyU+QkDE3uHv/C0GSypFYyOdTrFbpn3G312jKYOi/u7 rhUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=o2GwgSJoRuvPfZ2J7Awdgxw+WyrY01QvDnyFb1fV9Xk=; b=jipe7J6iN6l0heFniKAXjkaMk62qg2qEBnmPbOhQfgB+9XitL3WpBRl+Lq4hZYuIIp graBe8++cyNMsIGmEtG9+h/gAy+X1Vic9RRozSkMR1nlIn1fz3X4XYyotwh21jCwFpBC dIfAvk/uqKy2cIQa4p7sPt1GmVWvw3HCEhcXWZ8rAZAfdOLCHCwap6Ftmr091yepJ9In DTFBnvjn/vNzr9yfR8HrTkuaR2UCmOH+Tbo55/iGHSbzbZRmXBqIut2FZ2IA6iQCDTjD eNI4FYBQM9M1tSX2/6cb5FzefayDrPtH+gp+Ge0TDIdNfrzETAUXAyDVrVImnyLYurhG gkxQ== X-Gm-Message-State: APjAAAUfofc3bZlg1ej8/Z2WwzOJR60Qf7N7Dq4HRbIeF0uD2aXtgnMV 8gYQXcp4QaMarQ23u11j2AU= X-Google-Smtp-Source: APXvYqzAaZbEuJQ23N6QFJdC6uFCaO+rLm14VcZtE9+tOy9uyfg9aPHBipIj9sgNkOpEwRVfN6Xk3w== X-Received: by 2002:a17:902:9688:: with SMTP id n8mr126124101plp.227.1564712422766; Thu, 01 Aug 2019 19:20:22 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:38 -0700 Message-Id: <20190802022005.5117-8-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 07/34] drm/radeon: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, David Airlie , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, David Zhou , rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, Alex Deucher , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, =?UTF-8?q?Christian=20K=C3=B6nig?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Alex Deucher Cc: Christian K=C3=B6nig Cc: David (ChunMing) Zhou Cc: David Airlie Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: John Hubbard --- drivers/gpu/drm/radeon/radeon_ttm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/r= adeon_ttm.c index fb3696bc616d..4c9943fa10df 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -540,7 +540,7 @@ static int radeon_ttm_tt_pin_userptr(struct ttm_tt *ttm) kfree(ttm->sg); =20 release_pages: - release_pages(ttm->pages, pinned); + put_user_pages(ttm->pages, pinned); return r; } =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719356; cv=none; d=zoho.com; s=zohoarc; b=DijPR9weyDdCBk2lJKSLLcwBoYCYt3vPXf7AirJ4wFeDF2nJUqXkLpCcrFiCnbFWGOIFUwQC6eLnTbsesrpiuFRdw+96zVYY2m4sX/IPC7ME1waeIQc0xSVJ9EInJaLJ0bZodYN1FGWuKIpnyQos6ooY/ooMy+a3MRHhkzdZ3vQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719356; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=i0/d5z4X57i+VXqcIzr10REYg2p6FS1L01dBng9oCcI=; b=cs6V+CjXnJ2v2ekfPZE1/kkyAQlBOxgNfJCcuMCrmP16WwYUjOSjDr0qyKW5bnYt+Ztnp9YxEhoZ/lPfof/lT7lTXAXQvH6vKM+EyIEi46GdPyZSCvtUqbuH4SRxazcidyIH8gnOB8vUtKPuhE/tCQNRf+SeVGqG3h7PANrWPWQ= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719356883679.7601014576175; Thu, 1 Aug 2019 21:15:56 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxX-0005qx-5z; Fri, 02 Aug 2019 04:14:27 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBB-00074s-KP for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:25 +0000 Received: from mail-pl1-x643.google.com (unknown [2607:f8b0:4864:20::643]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 15d87c58-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:24 +0000 (UTC) Received: by mail-pl1-x643.google.com with SMTP id a93so32956307pla.7 for ; Thu, 01 Aug 2019 19:20:24 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.22 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:23 -0700 (PDT) X-Inumbo-ID: 15d87c58-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qLhYs8BKsJD26dkkDQW7qDqDKRQ6ceEysj+E+zVe/Zg=; b=mO2EsXInu3VlKA104JEnfgx6jDjnSEwvGouzsXnnB6AUhB4nvA/xUkFDDFSnp0kAVb uzJcZIfv98AAj+k04bO7VhQK6uHpuI27M0R+JJmNHqmsuBRinpXiyXzVO3vG2KOnwG10 9wLLSCL2f4bGbhp3gn22p2RGwRVC/ywoZ78m+PYeQh5xx0q2EjBUJcL8fGu/7GpGYNTC uoBxihJiCgimiOEov856ivIQlm2ZtbCKKeyCad06O9lOqE5uy2qRmSTr2cNmPxvRt3hH pW5v3ngGfAjNbaRjAeL1vDJ+MdUfb90y74Jjb2kpsnBznTRKzfySI1iA5+bGvCblKYHE C88Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qLhYs8BKsJD26dkkDQW7qDqDKRQ6ceEysj+E+zVe/Zg=; b=UAAGNCRxLEVNIIiHLbWJZvfFXbeMjNZThVwTpGu+Ap5rGK4nnYl2eu+4yVkRufpJoj THRGhy3zeGwxIGu5GlyyQZEEGamBNkW4qBQ2VWy+t7fqNVd05bJGJFsc1XB4zgKit8B5 Ng4EmuKqZyBKJA3PzRp5r/YXd0rT3CmQVPgJi3w2bXnwh+DeP322hBBRuZ/bAxOwGia2 K/HHfmeaWX19nyRl+vhn7ZWUjTAONST1kqwdMoFtRvV2PVbUbf9Xrl0xeO/cfQlAB7tC FoZgzFXrREJ6uTN0jUsdbkTFT74tlfQ/bVKSBYLNGXMfVObCPikS5ceRTXY84KcHXOD+ +69g== X-Gm-Message-State: APjAAAXccWI2Y2V5eCEberiyrD0HiGy4F9MTioVaQprjM92ERgomdTPr nbIu1m2yoeAjQadpwJ2iSdc= X-Google-Smtp-Source: APXvYqzyCRty8QPAc9XoTrRagrp/y/95vNaIlWT3LNdx/ZaWWXrbiDzYki+gcyf8LhQXoed6UV6NgQ== X-Received: by 2002:a17:902:6b0c:: with SMTP id o12mr26388046plk.113.1564712424200; Thu, 01 Aug 2019 19:20:24 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:39 -0700 Message-Id: <20190802022005.5117-9-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 08/34] media/ivtv: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, Andy Walls , netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Andy Walls Cc: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org Signed-off-by: John Hubbard --- drivers/media/pci/ivtv/ivtv-udma.c | 14 ++++---------- drivers/media/pci/ivtv/ivtv-yuv.c | 10 +++------- 2 files changed, 7 insertions(+), 17 deletions(-) diff --git a/drivers/media/pci/ivtv/ivtv-udma.c b/drivers/media/pci/ivtv/iv= tv-udma.c index 5f8883031c9c..7c7f33c2412b 100644 --- a/drivers/media/pci/ivtv/ivtv-udma.c +++ b/drivers/media/pci/ivtv/ivtv-udma.c @@ -92,7 +92,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_= dest_addr, { struct ivtv_dma_page_info user_dma; struct ivtv_user_dma *dma =3D &itv->udma; - int i, err; + int err; =20 IVTV_DEBUG_DMA("ivtv_udma_setup, dst: 0x%08x\n", (unsigned int)ivtv_dest_= addr); =20 @@ -119,8 +119,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivt= v_dest_addr, IVTV_DEBUG_WARN("failed to map user pages, returned %d instead of %d\n", err, user_dma.page_count); if (err >=3D 0) { - for (i =3D 0; i < err; i++) - put_page(dma->map[i]); + put_user_pages(dma->map, err); return -EINVAL; } return err; @@ -130,9 +129,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivt= v_dest_addr, =20 /* Fill SG List with new values */ if (ivtv_udma_fill_sg_list(dma, &user_dma, 0) < 0) { - for (i =3D 0; i < dma->page_count; i++) { - put_page(dma->map[i]); - } + put_user_pages(dma->map, dma->page_count); dma->page_count =3D 0; return -ENOMEM; } @@ -153,7 +150,6 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivt= v_dest_addr, void ivtv_udma_unmap(struct ivtv *itv) { struct ivtv_user_dma *dma =3D &itv->udma; - int i; =20 IVTV_DEBUG_INFO("ivtv_unmap_user_dma\n"); =20 @@ -170,9 +166,7 @@ void ivtv_udma_unmap(struct ivtv *itv) ivtv_udma_sync_for_cpu(itv); =20 /* Release User Pages */ - for (i =3D 0; i < dma->page_count; i++) { - put_page(dma->map[i]); - } + put_user_pages(dma->map, dma->page_count); dma->page_count =3D 0; } =20 diff --git a/drivers/media/pci/ivtv/ivtv-yuv.c b/drivers/media/pci/ivtv/ivt= v-yuv.c index cd2fe2d444c0..9465a7d450b6 100644 --- a/drivers/media/pci/ivtv/ivtv-yuv.c +++ b/drivers/media/pci/ivtv/ivtv-yuv.c @@ -81,8 +81,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struc= t ivtv_user_dma *dma, uv_pages, uv_dma.page_count); =20 if (uv_pages >=3D 0) { - for (i =3D 0; i < uv_pages; i++) - put_page(dma->map[y_pages + i]); + put_user_pages(&dma->map[y_pages], uv_pages); rc =3D -EFAULT; } else { rc =3D uv_pages; @@ -93,8 +92,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struc= t ivtv_user_dma *dma, y_pages, y_dma.page_count); } if (y_pages >=3D 0) { - for (i =3D 0; i < y_pages; i++) - put_page(dma->map[i]); + put_user_pages(dma->map, y_pages); /* * Inherit the -EFAULT from rc's * initialization, but allow it to be @@ -112,9 +110,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, str= uct ivtv_user_dma *dma, /* Fill & map SG List */ if (ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y= _dma, 0)) < 0) { IVTV_DEBUG_WARN("could not allocate bounce buffers for highmem userspace= buffers\n"); - for (i =3D 0; i < dma->page_count; i++) { - put_page(dma->map[i]); - } + put_user_pages(dma->map, dma->page_count); dma->page_count =3D 0; return -ENOMEM; } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719344; cv=none; d=zoho.com; s=zohoarc; b=gUZ3BsEkfbh5OFOBHyYpe2rkT65mDtqannMvFiS3r4Ev0dUi1Ir+3e4OBeFPpPHyDC89/mSXUg75arB5dEIeefA9jiErQJklChTrQ70v0HUUJXunPuW7YvovTogeGNvCmWPjWVK6zXlUhQMPfgz90wWtjwtkIDxkYIXaSFfwg+s= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719344; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=vW1/LH+/4ejrsI6/VnFvjqXOJ11bdwnqj6bcdSJjo9k=; b=RQfBH1+Vr2cQ9KCzXA7H62EnIizKlPkALTud578xdcomxtA3XO5QAb2FYqBw776i+fV5IniuLWgheSsbKTsS915iw8iElqysqzxda3BP/wWrQYjBfYd7j9rMOHNDm+eagnVO4LCLHHHo7fXFw8K/j6HSbzvfOH0uVcEXm8W3kJs= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 156471934456083.17574503692367; Thu, 1 Aug 2019 21:15:44 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxX-0005r3-EX; Fri, 02 Aug 2019 04:14:27 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBC-00075A-Sb for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:26 +0000 Received: from mail-pl1-x644.google.com (unknown [2607:f8b0:4864:20::644]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 16c0fa5b-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:26 +0000 (UTC) Received: by mail-pl1-x644.google.com with SMTP id ay6so33057816plb.9 for ; Thu, 01 Aug 2019 19:20:26 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.24 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:25 -0700 (PDT) X-Inumbo-ID: 16c0fa5b-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5vxuyadJL7U7uLaLdbmi0wM48++CcjfxvCZKqh2vh4A=; b=IPnKJ+t+ZuscR+9jkZCr9SYsDod9H1pKxsH7GEiMUhOWm9vGlL+eTdFKhv7CAbJqfW uU/KQltFOReuOI2Tb15OkXQ52DWMqedLb39cjCQmyiEWLJR87wjugh79Hhbg0qc6zuHg MYJzaAbjIW3STqDPj5Lq2JXvJEE6XELaroV158AptkQMUJ7o1/IZqEXjs4JGgfMi9wWi x8L4AJBxrRgeZMqNQthxmzZvgld8OAsmXF7S7qthmuL3HABTVNmwDglQdeK4bcdDS+le GYNA0EDvk+skaAjBLW5tt19+LuDGuf6feAdMRYQaTc3LrWG+I4hPzx8Lwm1aQRwe4UW2 hk+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5vxuyadJL7U7uLaLdbmi0wM48++CcjfxvCZKqh2vh4A=; b=PnbxQcV/RXNSx+vZyDLz3EERPGuXkZ8xOsIU91wqz+PsniGF/hUpEYyK117ISxYNOu FAInNks8pY2woektfPAnq0wevTgosDokAWdVUxixo0HYwQp8R2Z6AeDYMhmqf0WaQXgF gZmCsTQHMx555mmT6hty8vP8whdl+ZUhdRMVHrX0lghCuqWMI7nTZs4uikigSVdsdFgv srr3/+7TMW8vlqc1PtogSTRwiXedsi6KyeDUCTpEjj/ErxItaNYvMsHeCZCu3DLkRnPO 3DxtFx1oRe2bWL3EgaP3pw5Z+LVwkkfGJ0Os3k9FRApLlVhoASQgRjq2vWOa8AhoOOzc RAsQ== X-Gm-Message-State: APjAAAWRzMblzZVXjmljX7wTIVEu6S+D5VHXdf86BUMUlwE/YSb12Spv nsdMyn713wfj29oziTXVBnw= X-Google-Smtp-Source: APXvYqx4n4e9g9/ly0KjHqDWX94uIzBzDxMQOC1nP9LzDlFTNiWIDkQ4j/aY6KUtiphGoFtrA+EDzw== X-Received: by 2002:a17:902:f301:: with SMTP id gb1mr126844849plb.292.1564712425718; Thu, 01 Aug 2019 19:20:25 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:40 -0700 Message-Id: <20190802022005.5117-10-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 09/34] media/v4l2-core/mm: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Hans Verkuil , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , Souptick Joarder , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Sakari Ailus , linux-fsdevel@vger.kernel.org, Robin Murphy Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Mauro Carvalho Chehab Cc: Kees Cook Cc: Hans Verkuil Cc: Sakari Ailus Cc: Jan Kara Cc: Robin Murphy Cc: Souptick Joarder Cc: Dan Williams Cc: linux-media@vger.kernel.org Signed-off-by: John Hubbard --- drivers/media/v4l2-core/videobuf-dma-sg.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2= -core/videobuf-dma-sg.c index 66a6c6c236a7..d6eeb437ec19 100644 --- a/drivers/media/v4l2-core/videobuf-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf-dma-sg.c @@ -349,8 +349,7 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma) BUG_ON(dma->sglen); =20 if (dma->pages) { - for (i =3D 0; i < dma->nr_pages; i++) - put_page(dma->pages[i]); + put_user_pages(dma->pages, dma->nr_pages); kfree(dma->pages); dma->pages =3D NULL; } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719358; cv=none; d=zoho.com; s=zohoarc; b=FH4GdBeNgDUimVzs2WVLWLRTAoNs7GG9zVJxrotJwFnDEpgLeK0sWnqgXCWWL4UvmPMVGhRw5PLK256dkugEihDVEPoGA8O7HDWMBrQdrLSE4G81s7NuRf/LbeRW217O2CAX4c2pbmn5YeZAmWlN2okKpDtog8BdOOEAs/8MyOA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719358; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=kUMQ123+L0QwX5HXxAy7onTO/IVlxrWbw41L9NE8TnM=; b=gXZXyi0ZVJRSvKiQIKRCHO5z2o4DfSRIDIKxve3ap+MFk+UzjO7TA5ibGxKDvlNvnJczamfHTJYSz/rTUFyywbcLlPMyeN87SEBlWJOYAeOT5aWDA70q4w2VWSdBdQdxI3AjEKbEP5hsHWy5QkHY4hpjofT4R64GA7sYR5C6MLk= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719358756102.86834544617432; Thu, 1 Aug 2019 21:15:58 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxX-0005r9-OO; Fri, 02 Aug 2019 04:14:27 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBE-00075L-GD for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:28 +0000 Received: from mail-pg1-x544.google.com (unknown [2607:f8b0:4864:20::544]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 17ab1580-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:27 +0000 (UTC) Received: by mail-pg1-x544.google.com with SMTP id r22so7632084pgk.10 for ; Thu, 01 Aug 2019 19:20:27 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.25 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:26 -0700 (PDT) X-Inumbo-ID: 17ab1580-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Qd17+I20JNTl38JpPt9ENs79+ajS7TX5o2e3ywFXns4=; b=gkgYcjKv8mviCpscfvidKdy0yp2exmwhbdFHg1VYLE3YGnNwT45rP9cYRgwxWvdSGD XzCmVpBd7+RlIjI+MEb+wWJpyo2f4ZmUYQSjUgDqWwLqeKRJRBA6AZnXsK08IyCyXhiy 4dNgArxki6iOU/cWoHR8rdD6eQRfJHzRIm1i/ZNo3u5RbTwbDPqtUA6ksm0/Lv2IxLjK q70kCAhSPRAGOQENe2IrIBNCWn54pipkVfZgN+QCwPKsZgDTTDuP78ZHv5mKxve9ym1t pLsjPHA1rQycUPxkIzWtiiwiI/XQHl1n8MJ/ZwIZ8xTcRU1Mrrugy/JGwgBrkRXuy135 NXOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Qd17+I20JNTl38JpPt9ENs79+ajS7TX5o2e3ywFXns4=; b=PJUijG3Gyoed2fXyE1AZTYLVeilI4kwPu027gu/IUt59WXGd8GldUb4LlhymP7olYB h3o9ELor5zO/wBAkIBLZFPUARb4o1r8Om52I5eM28LEc9WOTtQKjoUFrRnrkFFl6XUdP 4AWSYnj6nqJuKjb6gUT88r3S96uxfBWMxoZiEJ0OADzptZuk9qhwSxB/MBXFdoKiBb2Q 2jw8UCme2i1Z5kxgLOfVc0lMqiunmw8EGbBi45EggL7dkWqNcb+LYFJMIRceVpOU3qjV fCem0mCuhtnIH2Rs6crlDsQOYMyTw0bgRtnF8TqKOvJakWbG+Gq3UFdgTb+1G60fjsSe 7xWQ== X-Gm-Message-State: APjAAAVRa5L2MYwKzAsKB3OIKojRiflbGnRSSHwAaHkj9K7DsuYiQaG3 8/776dxcEsY710oUEl5UgbQ= X-Google-Smtp-Source: APXvYqzcfAPxLmmHN9CIJXSofnjYAmirbplKZ2y79i+8ei53QCOaijMzmdrNExYuUwo7YKHbzyVulQ== X-Received: by 2002:a63:4e60:: with SMTP id o32mr124066909pgl.68.1564712427200; Thu, 01 Aug 2019 19:20:27 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:41 -0700 Message-Id: <20190802022005.5117-11-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 10/34] genwqe: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Arnd Bergmann , "Guilherme G. Piccoli" , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , linux-fsdevel@vger.kernel.org, Frank Haverkamp Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). This changes the release code slightly, because each page slot in the page_list[] array is no longer checked for NULL. However, that check was wrong anyway, because the get_user_pages() pattern of usage here never allowed for NULL entries within a range of pinned pages. Cc: Frank Haverkamp Cc: "Guilherme G. Piccoli" Cc: Arnd Bergmann Cc: Greg Kroah-Hartman Signed-off-by: John Hubbard Acked-by: Greg Kroah-Hartman --- drivers/misc/genwqe/card_utils.c | 17 +++-------------- 1 file changed, 3 insertions(+), 14 deletions(-) diff --git a/drivers/misc/genwqe/card_utils.c b/drivers/misc/genwqe/card_ut= ils.c index 2e1c4d2905e8..2a888f31d2c5 100644 --- a/drivers/misc/genwqe/card_utils.c +++ b/drivers/misc/genwqe/card_utils.c @@ -517,24 +517,13 @@ int genwqe_free_sync_sgl(struct genwqe_dev *cd, struc= t genwqe_sgl *sgl) /** * genwqe_free_user_pages() - Give pinned pages back * - * Documentation of get_user_pages is in mm/gup.c: - * - * If the page is written to, set_page_dirty (or set_page_dirty_lock, - * as appropriate) must be called after the page is finished with, and - * before put_page is called. + * The pages may have been written to, so we call put_user_pages_dirty_loc= k(), + * rather than put_user_pages(). */ static int genwqe_free_user_pages(struct page **page_list, unsigned int nr_pages, int dirty) { - unsigned int i; - - for (i =3D 0; i < nr_pages; i++) { - if (page_list[i] !=3D NULL) { - if (dirty) - set_page_dirty_lock(page_list[i]); - put_page(page_list[i]); - } - } + put_user_pages_dirty_lock(page_list, nr_pages, dirty); return 0; } =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719341; cv=none; d=zoho.com; s=zohoarc; b=Y0gW7gwuoAhJgUfW7ze9jbKnk6KGVBDItFeJk6qxG0kLRE9dXuIiMjezJId7T4vZt67OpkYd1SJ/Cd32YR8irlZAlCVRRMQgafnJ9SaWc2krfheTTk8FzX6n/qpvnR3Z8MnqShzowNkNNxbfi0OwYrNBDCf1YPtwXK3X+mVK7J8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719341; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=+hcuMRflmzM1VNUODiZN5akurl4E1A1rCHX6bjxf5NE=; b=AvbLrPeqo+fI2BVByanG2f8ljL392/Y0XwOCTJR8SNjnxunwggG/nyQlWCsKJRKexUQ8GW06sZ1WrG3/wxWfBqpV5AQrB1mZLYWFlVTTvqwES+IpUjvolJIbOD4yob0B0abQMjWEsU/akqITon2BFyKWuhbm87MOT9HcwyA2eBM= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719341140556.9181635534595; Thu, 1 Aug 2019 21:15:41 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxY-0005rh-3A; Fri, 02 Aug 2019 04:14:28 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBH-00075u-79 for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:31 +0000 Received: from mail-pf1-x444.google.com (unknown [2607:f8b0:4864:20::444]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 18e2441d-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:29 +0000 (UTC) Received: by mail-pf1-x444.google.com with SMTP id q10so35138026pff.9 for ; Thu, 01 Aug 2019 19:20:29 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.27 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:28 -0700 (PDT) X-Inumbo-ID: 18e2441d-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=34zW6BJN89MycamN6XZc+aPi3iIpUXsyW4mngm2d11Q=; b=t5NAqE3Vka8KgkTsGoLz9ngltlH4Rvcpb6lwK1UP3GX3tIbQ8zi6/BtK7Yp4TzERha wSeLot/t6ZWJImnvKBZhoEDQI6w3o5UiMaJgEpqqKVxcZT34GhcoUwN2IZVyDwqCPKlC a7Buv+1Wht5mLnbtK6+0hFPG1gydiYPwhnLgxc7zgGLfQhg2ssESYfy+n2RPvUdztRim jUlI8gdPL0+PZqp56ewu9yAP9JBceuh2IC1TKvQK+F/6hCHCM/byLJfkcX1hvyboPVI9 xbVnybXy2ozmgwqFr15PYWmG4HhsZR295UWof1NeRQ0AKr4kLzhdz4MTCgaGRcNk5CYS eE0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=34zW6BJN89MycamN6XZc+aPi3iIpUXsyW4mngm2d11Q=; b=nsMR4s2cCEiuTZz52K6SJ6+7lC1372t3YqEyyqrWZVxqsuIimYn7DGKJJMtpCl457k 8h119QAUFeRCThXq6Nd4ErJi5WjPvjDt6vfZV8yfeyOyfM7Guf1jFaNBQ66L+OVSoLEX IXtggi71CFwxHKvI8gEgyt4bm1QDhGZPTiv/qx9FltLLOoYRWYOpzyjfPpStXapJb21v NCLlqW50k7uKNcEdVUWSVPDXNJ0fLzyLsOO77AxKc1IbXZia2b6SpNGV0IuzmK/OukEz YO7I/AOOJ2XGa4J9f/ogrdzN67OHhMCuzVWYYdy4yitYFayMuY0y0gdV/YX0PqmzkUsO qXlw== X-Gm-Message-State: APjAAAWUHWWGtMPDg+VTiZVX4WyhNRf9NhUvnbQ8Nt7cbweHgqV3WQNW ADMC2hMjIIqS4kka1Rii6tw= X-Google-Smtp-Source: APXvYqzeCy+7cVID+Rr3XWOFQDSekWzD7T6/ZvL7pRVEGXoHJuKXgEeLRZGzPIVKoEslJMD2nH6qbg== X-Received: by 2002:a65:6454:: with SMTP id s20mr122064853pgv.15.1564712429240; Thu, 01 Aug 2019 19:20:29 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:42 -0700 Message-Id: <20190802022005.5117-12-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 11/34] scif: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , Sudeep Dutt , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, Ashutosh Dixit , rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Joerg Roedel , Arnd Bergmann , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Zhen Lei , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Robin Murphy Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Sudeep Dutt Cc: Ashutosh Dixit Cc: Arnd Bergmann Cc: Joerg Roedel Cc: Robin Murphy Cc: Zhen Lei Signed-off-by: John Hubbard --- drivers/misc/mic/scif/scif_rma.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_= rma.c index 01e27682ea30..d84ed9466920 100644 --- a/drivers/misc/mic/scif/scif_rma.c +++ b/drivers/misc/mic/scif/scif_rma.c @@ -113,13 +113,14 @@ static int scif_destroy_pinned_pages(struct scif_pinn= ed_pages *pin) int writeable =3D pin->prot & SCIF_PROT_WRITE; int kernel =3D SCIF_MAP_KERNEL & pin->map_flags; =20 - for (j =3D 0; j < pin->nr_pages; j++) { - if (pin->pages[j] && !kernel) { + if (kernel) { + for (j =3D 0; j < pin->nr_pages; j++) { if (writeable) - SetPageDirty(pin->pages[j]); + set_page_dirty_lock(pin->pages[j]); put_page(pin->pages[j]); } - } + } else + put_user_pages_dirty_lock(pin->pages, pin->nr_pages, writeable); =20 scif_free(pin->pages, pin->nr_pages * sizeof(*pin->pages)); @@ -1385,11 +1386,9 @@ int __scif_pin_pages(void *addr, size_t len, int *ou= t_prot, if (ulimit) __scif_dec_pinned_vm_lock(mm, nr_pages); /* Roll back any pinned pages */ - for (i =3D 0; i < pinned_pages->nr_pages; i++) { - if (pinned_pages->pages[i]) - put_page( - pinned_pages->pages[i]); - } + put_user_pages(pinned_pages->pages, + pinned_pages->nr_pages); + prot &=3D ~SCIF_PROT_WRITE; try_upgrade =3D false; goto retry; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719365; cv=none; d=zoho.com; s=zohoarc; b=KyF4HNHMJOi+2TDZUZPfQ2JfzoEjrjdTg6x5KdPgaBoKDOURsUdf1ekqgjgO2h32aRuQQ0amM1oo+Wi4N+gqXgdue8WRAflT+Y3GDNdjsvNBhHd2OOhCk/VX6hGqzdSLn9aycOgccwY9yos1Gn89ByUSwkC3wXvM43wnFuFuC10= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719365; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=JhNQl76UgCrfl/dYmhHdaSu6CgVhvn2j83GV2ZDcNFg=; b=i2u74GSciGzUf1mebQ/Ae7yHUOKxWrOV6yTBKbGTmr08swaFUrE/GTT5w1Zwjn4OY4iBbAswvNKcjQw7qqN20daw5BN8XtFSSD/XFeRCjw4YjaN13CRTYuHd0XiY/86qIk6awyYzUFusD8tdJvUdUhsmAO8M//e+tg538bUjVRI= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719365451167.44844764670552; Thu, 1 Aug 2019 21:16:05 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxY-0005ry-CE; Fri, 02 Aug 2019 04:14:28 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBI-000768-GE for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:32 +0000 Received: from mail-pl1-x643.google.com (unknown [2607:f8b0:4864:20::643]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 19cd7864-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:31 +0000 (UTC) Received: by mail-pl1-x643.google.com with SMTP id t14so32990083plr.11 for ; Thu, 01 Aug 2019 19:20:31 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.29 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:30 -0700 (PDT) X-Inumbo-ID: 19cd7864-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qtbgyNHZ/W16Wsr49ObVlGXNsYs5Ix8cECAWpHw8QNg=; b=RO5t4Ioq4WOEkql+z1BxTA9XpQ5l0uBsUNJdBVpEbEdDpylZNAFokBSBfkt63Vmsnw KKnFnDLW2SLxaXe4yEcd4Uwphs0F9rh9yrBF7wrtI6jX7Smsup4E8B+OCU5PAghiuPUe n/rru2nRkN4fBDLxv0E5LWIc3+ez3bVuBV4gRzIu0YbbR7/jG/nHlqRg4ui2ABpoKbbs zzA9SmSgidMvseL2Kb+bN8XRYc2qyorbmCL2eKn81WG2j5TabLu8TlIG3hp8Y7Gq/i02 vYgsWfOu94xgHEddrADmlOmkGGALS2TQwhC3ZfS61Jjz+jw13+1q5hfNRcQVjxbv88fI 6ULQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qtbgyNHZ/W16Wsr49ObVlGXNsYs5Ix8cECAWpHw8QNg=; b=s6jXLrcItZTkG0+Kp5PNZ1kDBtBKPkDIFJ43CNu6Mr956EgGS+WJGp7jzonaSlBmPu XSVTeEK4ma+4FpxU6ok3SjfidMWG9ZPWRqSXXpTZtORhdfHlP3XLHEQDQbojqw8pmzeQ OGhuVIu7aFTtF1tsjxVI4E43Go5C7495K/rZU7RC1TqSpxr9nlcU2Op/JODVwubQgjNB 0mDEE++fvfVOW0IhGdM8j95KdS8dMnKcOPZIQvm1AzwTyZBm6MsfftLAN69fdxiC859e G+/QO9KRxygW6cmHj1mgS7pAuKmeoRinFggi6eanQr7Ugm4hCDdIoUVKx4mRmUqE9pUO pV6Q== X-Gm-Message-State: APjAAAXPzgBimVjQwfLcRkOxW9aBI8gaI0km9zj6sm7w9eQUCbXOKseh mnblMQoEMF8lw4lP500s5YI= X-Google-Smtp-Source: APXvYqwKrOY4Kztkj41s0a6oi7zayzaXd8LpjaiCIksbrU4wJsvnJgU6mF0Bb9Hw/Pj5xfTEZIafcQ== X-Received: by 2002:a17:902:5ac4:: with SMTP id g4mr131986648plm.80.1564712430821; Thu, 01 Aug 2019 19:20:30 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:43 -0700 Message-Id: <20190802022005.5117-13-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 12/34] vmci: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, "Gustavo A. R. Silva" , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , Arnd Bergmann , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Note that this effectively changes the code's behavior in qp_release_pages(): it now ultimately calls set_page_dirty_lock(), instead of set_page_dirty(). This is probably more accurate. As Christophe Hellwig put it, "set_page_dirty() is only safe if we are dealing with a file backed page where we have reference on the inode it hangs off." [1] [1] https://lore.kernel.org/r/20190723153640.GB720@lst.de Cc: Arnd Bergmann Cc: Al Viro Cc: "Gustavo A. R. Silva" Cc: Kees Cook Signed-off-by: John Hubbard --- drivers/misc/vmw_vmci/vmci_context.c | 2 +- drivers/misc/vmw_vmci/vmci_queue_pair.c | 11 ++--------- 2 files changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/misc/vmw_vmci/vmci_context.c b/drivers/misc/vmw_vmci/v= mci_context.c index 16695366ec92..9daa52ee63b7 100644 --- a/drivers/misc/vmw_vmci/vmci_context.c +++ b/drivers/misc/vmw_vmci/vmci_context.c @@ -587,7 +587,7 @@ void vmci_ctx_unset_notify(struct vmci_ctx *context) =20 if (notify_page) { kunmap(notify_page); - put_page(notify_page); + put_user_page(notify_page); } } =20 diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmc= i/vmci_queue_pair.c index 8531ae781195..e5434551d0ef 100644 --- a/drivers/misc/vmw_vmci/vmci_queue_pair.c +++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c @@ -626,15 +626,8 @@ static void qp_release_queue_mutex(struct vmci_queue *= queue) static void qp_release_pages(struct page **pages, u64 num_pages, bool dirty) { - int i; - - for (i =3D 0; i < num_pages; i++) { - if (dirty) - set_page_dirty(pages[i]); - - put_page(pages[i]); - pages[i] =3D NULL; - } + put_user_pages_dirty_lock(pages, num_pages, dirty); + memset(pages, 0, num_pages * sizeof(struct page *)); } =20 /* --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719341; cv=none; d=zoho.com; s=zohoarc; b=YfKQQS6jSQ+csefZO8sPDHuwtEDm5oKRe9FiZ89tzmfwlQdqMgFrfoVQAJ3i1Z0pFVyrAfmjWBUXrIpAORBDi+CT+UO9JECm/gg8fB1zlbUBRNMcuANIL3jgbYO7egVcjuWZgsAHqDXY8JBjoyCTMDOENQwFIqzztuZ7wCbOfi8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719341; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=EXErtMUx1XI2G0ycDcZBqmpUYipVgpVlY/jN/MkoTLc=; b=PmhQqZDqCs36CYy82S+llToACyrSZOzBuh8mDF8+BIl5ZFsZpHNNyC0Cy8Fbe3gnSxYHrfaG7eulRUUJfH5q1AHJG6MrRSvVscX5ADA5NolxP22XPrmxgmhGXEiJeWc9i2ZQkqMtuUFKzq05nMwB2LXTBeyc3nBwSdrRYZIdanU= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719341592979.9500760499415; Thu, 1 Aug 2019 21:15:41 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxY-0005s6-Lu; Fri, 02 Aug 2019 04:14:28 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBJ-00076I-PK for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:33 +0000 Received: from mail-pf1-x441.google.com (unknown [2607:f8b0:4864:20::441]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1ace5dff-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:33 +0000 (UTC) Received: by mail-pf1-x441.google.com with SMTP id c3so12016252pfa.13 for ; Thu, 01 Aug 2019 19:20:33 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.30 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:32 -0700 (PDT) X-Inumbo-ID: 1ace5dff-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=60C6UutqWDg70MnmR2wOYRHcozVv05mGJual4EWfkd0=; b=OcjBgeGu8UZCjg/O5HE3tZTmbKV/JxG356gcwN7XI4m7laLxmDfYwr2J+xgouxj3fQ Co0dhwd0qY47xArJmyB+EhpJv8h8AiGjGK24lKEHkHPsH9RjihM7pMRvNW+41GJgCLyu 4QfSp0AC2zblPx9c01ipPR4kYld7HwcvdeZgybQdYrqzUfXd232AEHGN5xFwKTyZmR0/ 4nQ8d9yxpivs4/vMxrtO/9Xc8hiQJpvET/VRicWc2zu2qdEUBl4z9cTSyxwtCJdabvcM Ei+d8hsTWnZC71PLDlgF5ytQlKruZFkMxa42zlyyGk4z93JPolm9Mu5LN9FxicLHKdhc nCzA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=60C6UutqWDg70MnmR2wOYRHcozVv05mGJual4EWfkd0=; b=R0UMGzC+Ljz1nB1HMjZT54Ke4jikMcYv1RB5OoBJhiDXD0m6dFs+zwrXRHzOhFNrmA ejRvrwzFMBz2kPymjMMqF3fRnV3ct4wdkCv/lcP5cuEd86oQY7DLhW864sQKwLre0ToO BPyxPBgNIO8s33c12USuoOqHYMuBQWOAO3dXF4mDurGFnfV90f7m2xSUYEBmtFT1ceA1 tkuMYNABQeiiWAJ2B0EGY65rZAMCLBrgSMcYIRm6VGI54JAqWh8r9hQHsna6+ec5LBBn PuICh/sqvXR/dCHUS84lAHWORKzI9Iuio7llEWcMancYI3ve4XyKr8IZ6f94M+QpGZEQ 9e1Q== X-Gm-Message-State: APjAAAXLswmD0VWstkHXlui2LynYtawSGG/2Nkb1X4HHKJCCJTFuO06k YtP4BdsqkakhW+ilJoYql8Y= X-Google-Smtp-Source: APXvYqxJWuQ3PRZS25/rGW/r93tu8qJViELHafWX8OhR+SZHdvKx4eGJZdpIEmnFGk4IpVB5b1wjUA== X-Received: by 2002:a62:d45d:: with SMTP id u29mr56669248pfl.135.1564712432510; Thu, 01 Aug 2019 19:20:32 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:44 -0700 Message-Id: <20190802022005.5117-14-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 13/34] rapidio: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, Matt Porter , devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Christophe JAILLET , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, Tvrtko Ursulin , netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, Alexandre Bounine , linux-crypto@vger.kernel.org, Ioan Nicu , linux-fsdevel@vger.kernel.org, Logan Gunthorpe , Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Matt Porter Cc: Alexandre Bounine Cc: Al Viro Cc: Logan Gunthorpe Cc: Christophe JAILLET Cc: Ioan Nicu Cc: Kees Cook Cc: Tvrtko Ursulin Signed-off-by: John Hubbard --- drivers/rapidio/devices/rio_mport_cdev.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/dev= ices/rio_mport_cdev.c index 8155f59ece38..0e8ea0e5a89e 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -572,14 +572,12 @@ static void dma_req_free(struct kref *ref) struct mport_dma_req *req =3D container_of(ref, struct mport_dma_req, refcount); struct mport_cdev_priv *priv =3D req->priv; - unsigned int i; =20 dma_unmap_sg(req->dmach->device->dev, req->sgt.sgl, req->sgt.nents, req->dir); sg_free_table(&req->sgt); if (req->page_list) { - for (i =3D 0; i < req->nr_pages; i++) - put_page(req->page_list[i]); + put_user_pages(req->page_list, req->nr_pages); kfree(req->page_list); } =20 @@ -815,7 +813,7 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, struct mport_dma_req *req; struct mport_dev *md =3D priv->md; struct dma_chan *chan; - int i, ret; + int ret; int nents; =20 if (xfer->length =3D=3D 0) @@ -946,8 +944,7 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, =20 err_pg: if (!req->page_list) { - for (i =3D 0; i < nr_pages; i++) - put_page(page_list[i]); + put_user_pages(page_list, nr_pages); kfree(page_list); } err_req: --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719340; cv=none; d=zoho.com; s=zohoarc; b=PFZeJPNVM3h3xs2dlr3NYidlbV6p1A8OBGy0YYd3DIf0T2QNDTJ2Jc/yQyCLySeInHIqSPSqmL0WMAAqDcmgcAr96rA2/tDp2KF1uA+dMnZEBQd8Gy9VzZsPwhK+ZfWFiKlTD4WNRsEmJqKz9rU5SGirKkl38sBRvQGI3piMp04= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719340; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=PcwVeX/hdKhImNbFzSDee9jXJYVFvU+doI/9TQnMSlc=; b=QuoSOeF87FkwaYy0in78mdW1nlDtoonL5CDTv10SEbSVmQ/X9KHjU7G/8pUsK0wiFywQSLiUv5bgIsz80jW+5GdgZBUxwxhadI0nm8I1c689UA0UMgr3Oju9t/h5RJWkjbmxqxetPfcQWrijP8+Q2i0o54cXgwpsqONlcYfxQLo= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719340162729.286367130105; Thu, 1 Aug 2019 21:15:40 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxZ-0005sK-0D; Fri, 02 Aug 2019 04:14:29 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBM-00076x-BK for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:36 +0000 Received: from mail-pf1-x442.google.com (unknown [2607:f8b0:4864:20::442]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1bcae356-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:34 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id c3so12016288pfa.13 for ; Thu, 01 Aug 2019 19:20:34 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.32 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:33 -0700 (PDT) X-Inumbo-ID: 1bcae356-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6zqhiQUR/t5HSZML/x55nFGZKGW5GK1LULKEmO0k7kA=; b=F6zwcO4LIlIH0MhJxHttCJTdvFyVFQT/4arw8VEiUMf3H4eEoUX+759aMNEB4E5yQk Nz2fCbsNakzpI2Ix1oQ23cChuh59P2OEpLwWSX6x9IY/wvMOZe6lEWSb2zFdzp0gprdi y9rnyWNc6RyhaZMvzhG8ve4bXMhMFks51tm4rHvgstN2tswx5ZOG0+I0UrLn8K8liKz6 o59abaE04tV7AfXXxMZta+A8VG8S0kkDg1uyI4tR9b3t+a4fVwe1pYra9FjftWzgoUTS x4tLp6R3lAg/evT8dl18ZgG3qJOUMIaQFDribAsCQyGjHMfkpuycFyZQ36o14QJqnxy+ vrdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6zqhiQUR/t5HSZML/x55nFGZKGW5GK1LULKEmO0k7kA=; b=LpoN0nyIVytRB5ixCfKqjCwTBjFQX/r5jAsGe5ZTjJ+sBcF8IzRs5MuowNnQrOzi3j 2BohrDicK2yklBY/jJjBusTyWbxIdS+5GicsZO8NiB0RCq84QTFc9Jr3xnI43nG0lTot WPDtBD0lhzp+8QqQC9nsbuh4L+MuPdyrg98SAfO0w68xtA+Pelj9Moa3qunrF4drCpC9 yy5e6fGxaY+jtn6QhC4BWItvqgLXtlMjqNFos/60ZYHA1v2ckkP2rpONb14BwFoDz/1R +o89eZPWwHVeRYqF9P67fYw2UC1iJBnSvUpOeh4VjQDI8ZWLU2QZnEjW8/B2qqeWlle4 nyAQ== X-Gm-Message-State: APjAAAUURkdo6haMXeddlnl6852C+JPd/43JJwEr1vjCbtbmTj0faEH8 BJS5bYM5DamTv6L1fh62hIU= X-Google-Smtp-Source: APXvYqxawjrrBWhVHWqru35UkhsNUwOEktD3Ze9ukSGMVZSHmBDx+KHUyZVGOPhrL6EFpIA4EvvUgw== X-Received: by 2002:a63:b64:: with SMTP id a36mr113099405pgl.215.1564712434076; Thu, 01 Aug 2019 19:20:34 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:45 -0700 Message-Id: <20190802022005.5117-15-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 14/34] oradax: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Rob Gardner , Jan Kara , kvm@vger.kernel.org, Mauro Carvalho Chehab , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Wei Yongjun , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, Jonathan Corbet , linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Andy Shevchenko , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Jonathan Helman , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, "David S . Miller" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: David S. Miller Cc: Jonathan Helman Cc: Rob Gardner Cc: Andy Shevchenko Cc: Jonathan Corbet Cc: Wei Yongjun Cc: Mauro Carvalho Chehab Cc: sparclinux@vger.kernel.org Signed-off-by: John Hubbard --- drivers/sbus/char/oradax.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/sbus/char/oradax.c b/drivers/sbus/char/oradax.c index 8af216287a84..029e619992fc 100644 --- a/drivers/sbus/char/oradax.c +++ b/drivers/sbus/char/oradax.c @@ -412,7 +412,7 @@ static void dax_unlock_pages(struct dax_ctx *ctx, int c= cb_index, int nelem) dax_dbg("freeing page %p", p); if (j =3D=3D OUT) set_page_dirty(p); - put_page(p); + put_user_page(p); ctx->pages[i][j] =3D NULL; } } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719341; cv=none; d=zoho.com; s=zohoarc; b=VmwD9JtVsUOmLIWRRrQEXDjadawmdV++JyQDi/Q4p76uN0eYN6Hg50XZYkZMUX2mpchlo1Wx61jcNfQnj9QJuxv/M5tmA59yJqzus3vIuOOxRWK7hAHmc4BCQslyUwjAd8Blj72z8dUdXpYKe6lgPNQDKtkDTAWHhSgbb/m5W5o= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719341; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=Lb2aMJqd0kaFiF+xg7tywBUh5pM2NjddKFyS6pCwAOY=; b=khdBYXyS9xHvAK4WnVwNet3MHLM+LUcS0caFEjy6qHlQxWNqBf6c5UqvLuGvU7eDAnQVt4So+ZyQb84giHbNptPDKHwRQqd9kh7U2Z3A+MLL0039DeYc4cLD3T+JkI3SdJUf8htI33xVUDOrFo8TsSpiIoA2hAS8klPmhLoEgI4= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719341730483.8795018654504; Thu, 1 Aug 2019 21:15:41 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxZ-0005sV-9i; Fri, 02 Aug 2019 04:14:29 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBN-000773-MT for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:37 +0000 Received: from mail-pg1-x541.google.com (unknown [2607:f8b0:4864:20::541]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1cd5014f-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:36 +0000 (UTC) Received: by mail-pg1-x541.google.com with SMTP id k189so16189500pgk.13 for ; Thu, 01 Aug 2019 19:20:36 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.34 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:35 -0700 (PDT) X-Inumbo-ID: 1cd5014f-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=UPRfD7vyasD2XVfdl0NeBW26eHm6l3ABDQSSTKq1HX4=; b=TDJzpDwE2oXFjm8cRNjQ8xrt4Ta2d3wf2Cpo0GoFM9thJ0XtvCvH4mP4rm1obsYrxe XfcKcMWeGW7+jGqqsIeZqIQivf0rjt9KMIQPJwYrX9aXaeynZfYblNMyZkWwFJwZth79 e4fMCJd20kqdE18/wOh4Jbz0PSr2Nv8bt8KSNv7hBSUy22vg0EGXVDctxg6pWi24C6E/ aytHIR9O0Oe5Nfk4mH6Tawu8cduDw0xsgEveOl493+9jCWiudUUBNmztlAbrHUK6dK5c cZre9/z25iL+oH1skqqYaquBXUxt6bEZ/OhP0nmn5k+Ox8GOIXBHEB9I8h3iWNYPWkz5 1iug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UPRfD7vyasD2XVfdl0NeBW26eHm6l3ABDQSSTKq1HX4=; b=HFtZrOEG7mJJNEsa5GjaLUfLpW81cq/b+kZfvyfI8BPkBOWxt/MepgkNhiUy5xu5Wl yfzrnr2B8grG0XSSD33yht+rrackoaJdZTsaPzBn69gU8ch5s9c89Cwll4Qyv9A2TydP osGlyijRqbFnwoNazXQQPPs77eiKznVb4lejJsNGpCMYXxPkx/2Q7K+HR8kUSuUmq/GZ TJ3NpLL6+v4tM3T9DaDqeii5Q1hylcoYmPVbu58E108auS33J6RelTWcItLhcjmz6Rp9 6HEcuiLzQS01MUSeH80jCOMhx7gqP9WDgO6KNRkv1oUAsYTRC8RuFPkH1aeB6QipYdKe Kvog== X-Gm-Message-State: APjAAAWBMVyu2ReAuB1MGjUTjtd98wC5g8pSPAQDl6gL1ocbVZ83bUi9 IUTnLBAABiq2FFT/mhb1vko= X-Google-Smtp-Source: APXvYqzQQn/4+/qhyIZ5gzUBopHqYfn0J/db4aXm+9arPe8eAWsGtJFKretZ1QBLJdXBLY5X+jbCWQ== X-Received: by 2002:a17:90a:7f85:: with SMTP id m5mr1901500pjl.78.1564712435904; Thu, 01 Aug 2019 19:20:35 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:46 -0700 Message-Id: <20190802022005.5117-16-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 15/34] staging/vc04_services: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, Suniel Mahesh , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Mihaela Muraru , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Stefan Wahren , John Hubbard , intel-gfx@lists.freedesktop.org, Kishore KP , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Sidong Yang , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, Eric Anholt , netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , linux-fsdevel@vger.kernel.org, Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Eric Anholt Cc: Stefan Wahren Cc: Greg Kroah-Hartman Cc: Mihaela Muraru Cc: Suniel Mahesh Cc: Al Viro Cc: Sidong Yang Cc: Kishore KP Cc: linux-rpi-kernel@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Cc: devel@driverdev.osuosl.org Signed-off-by: John Hubbard Acked-by: Greg Kroah-Hartman --- .../vc04_services/interface/vchiq_arm/vchiq_2835_arm.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_a= rm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c index 61c69f353cdb..ec92b4c50e95 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c @@ -336,10 +336,7 @@ cleanup_pagelistinfo(struct vchiq_pagelist_info *pagel= istinfo) } =20 if (pagelistinfo->pages_need_release) { - unsigned int i; - - for (i =3D 0; i < pagelistinfo->num_pages; i++) - put_page(pagelistinfo->pages[i]); + put_user_pages(pagelistinfo->pages, pagelistinfo->num_pages); } =20 dma_free_coherent(g_dev, pagelistinfo->pagelist_buffer_size, @@ -454,10 +451,7 @@ create_pagelist(char __user *buf, size_t count, unsign= ed short type) __func__, actual_pages, num_pages); =20 /* This is probably due to the process being killed */ - while (actual_pages > 0) { - actual_pages--; - put_page(pages[actual_pages]); - } + put_user_pages(pages, actual_pages); cleanup_pagelistinfo(pagelistinfo); return NULL; } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719340; cv=none; d=zoho.com; s=zohoarc; b=FAKIIawOLqPxf7Jd18kTQZ1L7zcuJKdxTrfikWrx8n3sEJtMDkcQoAixr1W/j93euMEIa/jcR4W4VBY0QEWs6ggyiFpuDfrn/w9WAv+DBo2hFmOW27+QZC8GQIlHJEXZ+YWBgCBsymS4AtArTbKE9yj1zWiU/A6/C1wMTe9K3j4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719340; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=GQ0TlRqc+sW7Eic/9sqUjUZkACb+swduSMZLOVW+gXo=; b=Cf5lciLOBir16G8YdnGpskv6QyVIHkW0f24OVgjRb6q+sv8hptXCln50IFs0uU/5feJTCybPgVmjNiaf7nREDSXJ9oxWgwF0wUkVq9bxZM2eFyxekNmMMW3k78qmrtv49WCtpabuyygyWzdFm4zDa8zkd4bJfCqwY/mjGMp+u6w= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719340940515.1384384197047; Thu, 1 Aug 2019 21:15:40 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxZ-0005sj-JM; Fri, 02 Aug 2019 04:14:29 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBO-00077E-Pk for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:38 +0000 Received: from mail-pg1-x544.google.com (unknown [2607:f8b0:4864:20::544]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1dc61328-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:38 +0000 (UTC) Received: by mail-pg1-x544.google.com with SMTP id r22so7632304pgk.10 for ; Thu, 01 Aug 2019 19:20:38 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.35 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:36 -0700 (PDT) X-Inumbo-ID: 1dc61328-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=CBO3xGCo70BH915jG2N5Cwh2jdAxvuNp3xf6kgL3BUo=; b=ICzJUrYTaIdsry/DtrBHUvha+R1kZxiR3TimqNDYFmB7o5jfa7m5UsfpaX/zpz7gqG QDNhfomKE98We8ADhaaApqL24L4GLju/2Iqw8fB/Gdc8zIwCPKElMlCmrcylshjiY6HA Wpq/jdgFFEI2UXPzsw4kiY3k+2UuXyC1t4Wgx970D5YK3PPwUf+ffB7bQXfIs3z5ka8f jIxsm6PzFlXfLaS3w/r9zrOwtEfiVXxBJ3zPq4sXYknfWxx8T3YIHBMUaH+laDDR6clX EbIaZCmFhhDYcIMZgiNQmuBlXcj32bO5TFJ498KeDHFEPtpyis1t2GqB2XiuUnW1fIm6 uMYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CBO3xGCo70BH915jG2N5Cwh2jdAxvuNp3xf6kgL3BUo=; b=rRSDhUPq2jbF0co81UjT8IyOaQPyu59bV6l0w6p6/rQqZzOPVqxRWpjEwFKS6/7hN+ Ya71ZSPRt9k5Jk8myPQbm/V0V5kGJdJaw+MKK7QMEqIEB0sSOdb2WY+9VS7P/YVV9Phx +414Itl9NwlL/pf4O2ebhMaDcxekj6QcCYY80ryRIzdVjkloajy6DlKo3ASZVXE/cyxI qdq6qzdUjhPcUYQ7IzyTEv8FJ7faNpyTtso4Sj4Ewo0EkvQRabCD1aAV9jHEI1gtMI76 4ZFwqleyxDbGAnXJ1mQJ8UHa8oOGpJ13Xillzw+kS0QUp+FFeJ6YVt7d389sKZDtGI/c Romg== X-Gm-Message-State: APjAAAX8Jax4SKQKr6FF58RlQZF7Gl+VrWh2J0d5uK1kE/t2/7eadeRt eqE+nRKuD86rGwHG1dq1Pec= X-Google-Smtp-Source: APXvYqxkmOrmri+Wx3FPhMPhDHr4oTLl0gd58UJ9/zI2U5cFZ+LG43cVChESIiZ/iGIXbamewPD5YA== X-Received: by 2002:a65:51c1:: with SMTP id i1mr101132075pgq.417.1564712437381; Thu, 01 Aug 2019 19:20:37 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:47 -0700 Message-Id: <20190802022005.5117-17-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 16/34] drivers/tee: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jens Wiklander Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Jens Wiklander Signed-off-by: John Hubbard Acked-by: Jens Wiklander --- drivers/tee/tee_shm.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index 2da026fd12c9..c967d0420b67 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -31,16 +31,13 @@ static void tee_shm_release(struct tee_shm *shm) =20 poolm->ops->free(poolm, shm); } else if (shm->flags & TEE_SHM_REGISTER) { - size_t n; int rc =3D teedev->desc->ops->shm_unregister(shm->ctx, shm); =20 if (rc) dev_err(teedev->dev.parent, "unregister shm %p failed: %d", shm, rc); =20 - for (n =3D 0; n < shm->num_pages; n++) - put_page(shm->pages[n]); - + put_user_pages(shm->pages, shm->num_pages); kfree(shm->pages); } =20 @@ -313,16 +310,13 @@ struct tee_shm *tee_shm_register(struct tee_context *= ctx, unsigned long addr, return shm; err: if (shm) { - size_t n; - if (shm->id >=3D 0) { mutex_lock(&teedev->mutex); idr_remove(&teedev->idr, shm->id); mutex_unlock(&teedev->mutex); } if (shm->pages) { - for (n =3D 0; n < shm->num_pages; n++) - put_page(shm->pages[n]); + put_user_pages(shm->pages, shm->num_pages); kfree(shm->pages); } } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719356; cv=none; d=zoho.com; s=zohoarc; b=PgIgFzNYYyMF04JDSu/g5/oV4JJHbjh3QICCSmeBEzKwFUCvcgtH3vCmmtu8Z+htsxxX5kxlBcEiMEqz9ZBkHR21YkBanO2VFSysYCWNy4lGV/aZBqq/qtLx4g7DbyG/2TRx60HQcix63j3hzg015Gn6vDQ8Wi9cLbJGcznGKXM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719356; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=rclaE0w/rHD1bPD48A2PgV2fgzIcklC8HLQB/M/j9s4=; b=fiIm2W9vHdFhptLt2o85kgfwAZKjk2AiaHsvxqFLtiYE6nBTyrlLsWluWwo9mLPxT02CI6lAWafkHUqKwheM0lZKFTbJqaKEdgnGleQSDAgJ5hRBuQuzcqEAwaFG0O9+nPml4ng6p8Nz+XGDWlkgdGunHCb3PJyiDq5R+eMivEo= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719356650289.5110162943082; Thu, 1 Aug 2019 21:15:56 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxZ-0005sw-S6; Fri, 02 Aug 2019 04:14:29 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBR-00077l-66 for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:41 +0000 Received: from mail-pg1-x544.google.com (unknown [2607:f8b0:4864:20::544]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1eabf70f-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:39 +0000 (UTC) Received: by mail-pg1-x544.google.com with SMTP id o13so35219411pgp.12 for ; Thu, 01 Aug 2019 19:20:39 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.37 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:38 -0700 (PDT) X-Inumbo-ID: 1eabf70f-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=0y5rJgolnpdx1vwnOpLTxW7O4fuw+3wJL+gU2Q7/qgc=; b=XcvG9OtyU86jk5JnQKO48GBJW89xfPHHxg+Ne0d0GJwSK2IuihtMCJFR8pabDqBzEF DuPSfNePU528rZ6hBUi+QFYoZILMY8tdggEmTr3mN7PzDRJ7a6OmrfV2tsrS8kf2+6HI Zo6kU0MY4gjn6C4vTTeXk9IHVKARwawE7INoHfJ5sfq56uo1gVj3e8g1oiz6b7OI/wgS KnIyWK9Z49VV7ULXr41yNDN0bWyja3EYTBz6mLtPsaZCe7aB+yHXvCTEBAOwbU3wp1bf uiomAHYjSX4K0Tach88phQCyk3zfRucll/enDp2U+3MmHAZ/atNajIitsMHfeEHfycq9 ft2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0y5rJgolnpdx1vwnOpLTxW7O4fuw+3wJL+gU2Q7/qgc=; b=FI+WICIgf0LNY0WOSAlB+z5G/bZfEitxCWfGHBnvEUChZdAX23IRVSafQyQg/N64nm bPT8CJS7VcW3doDsc9EhS15PNzoke7wo19b0EcKGjXNAX24SG+r65+oIUThskhWgFFyZ A1oLcqnq341LY+PUEO9wYIapRJtyXMRUmZp4S29fEiS/kFyYJNE4tCDmWXBDyEp065wZ YXq83SU1bRSadcnOIQwbqOGQqlCNLZrPxq6SXg9o3dMXsaaqartHd14yi6EGsc8gpybl hvGDgPk+2SV/RJb3yv4Mka1n7WlpUlYBKVCLfPauGOmffDXaupB2MG+VpDC/3JM7tz7c Ni5g== X-Gm-Message-State: APjAAAWcYdc+tq1fLVdBOKD1fDouu3Yvb0EtTCipYAd/m2QhMeTVUgAz OBPZpcb6ejQYcP/IWufZgn0= X-Google-Smtp-Source: APXvYqwl6c8l8akPJ/a0xk+3KepmeSM3zSOQCzHQzAg87pSWv9yrqkhky05R7WwjG4AiAw2gALdPbw== X-Received: by 2002:a17:90a:b908:: with SMTP id p8mr1903028pjr.94.1564712438974; Thu, 01 Aug 2019 19:20:38 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:48 -0700 Message-Id: <20190802022005.5117-18-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 17/34] vfio: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, Alex Williamson , linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Note that this effectively changes the code's behavior in qp_release_pages(): it now ultimately calls set_page_dirty_lock(), instead of set_page_dirty(). This is probably more accurate. As Christophe Hellwig put it, "set_page_dirty() is only safe if we are dealing with a file backed page where we have reference on the inode it hangs off." [1] [1] https://lore.kernel.org/r/20190723153640.GB720@lst.de Cc: Alex Williamson Cc: kvm@vger.kernel.org Signed-off-by: John Hubbard --- drivers/vfio/vfio_iommu_type1.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type= 1.c index 054391f30fa8..5a5461a14299 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -320,9 +320,9 @@ static int put_pfn(unsigned long pfn, int prot) { if (!is_invalid_reserved_pfn(pfn)) { struct page *page =3D pfn_to_page(pfn); - if (prot & IOMMU_WRITE) - SetPageDirty(page); - put_page(page); + bool dirty =3D prot & IOMMU_WRITE; + + put_user_pages_dirty_lock(&page, 1, dirty); return 1; } return 0; @@ -356,7 +356,7 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned= long vaddr, */ if (ret > 0 && vma_is_fsdax(vmas[0])) { ret =3D -EOPNOTSUPP; - put_page(page[0]); + put_user_page(page[0]); } } up_read(&mm->mmap_sem); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719341; cv=none; d=zoho.com; s=zohoarc; b=SpAHGhP0AOJibzMmudF0NsmQHIwjF51AlU0XWW8cR1tH6yjeu7wCDxNwQ7TQnkZ1ppExyRb6PKkZGGZJDTI7k92YvpWt6YV3ZGD2n3v0bnOzmudtB9xkoQg9lAwPMQfB1MObny/X3I9wxcKP9ShyWutqIVaF4cP8x7kJq3CeH94= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719341; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=iyh1B86wFEb1Wh2Cf5zvHi/AR+EetxVXodV+ZTH76sM=; b=gcT8fG6+brT2wh5xZfl3Ie836Aoq9YXxmQM5fzw2nl+Dic9qCVUK1CL3RSMRSGA7iFMpK1PAS1eo7YTXxN0K3414KORJgDSPaxFw5h68VuK7vCb5Q/NSabN4KWHT0AaKPldie/Gg91h1ZkNeeTTCCSLgVmnaUQ6YDwuErAIt5Rk= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719341695402.79659780696; Thu, 1 Aug 2019 21:15:41 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxa-0005tB-5v; Fri, 02 Aug 2019 04:14:30 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBR-00077y-Rg for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:41 +0000 Received: from mail-pl1-x641.google.com (unknown [2607:f8b0:4864:20::641]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1f8a8b10-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:41 +0000 (UTC) Received: by mail-pl1-x641.google.com with SMTP id 4so26013739pld.10 for ; Thu, 01 Aug 2019 19:20:40 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.39 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:40 -0700 (PDT) X-Inumbo-ID: 1f8a8b10-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Zk7mJfsjIPJK9Qgsn0u5osZJajJrXebF0c1tZrgdgoI=; b=nL5gA8HkBp1qUXL8uSk44yRPDpQM1GzztnKY+vjFkpLO4+ej8Ho3KCm6C4y+E5m8LE h9Iaftsjh1UsJUr+Pb21bHX0tSSHXapiGzhmehbpJMXTX/8OVSokepo7ZYp/sAOufRJM Dn+Q/LNbJL1I2nNGcQbJ8ZQUaKHbOXUsbWTmj876BCAWOoZWZ6NdZCYaUx//X8gLE1Fe Ao4iR+EL7uUQrdQvqWcLAimsvB7jPrqJUl8VTCYTJSYJDpeTKlwz9tVoL0Kex6hlm0oH POKBdW3YOuZavjeRiRdEl20H0UanKpKGw2d45prgvnfRqnKjFtcxDl+Dci+NMwFW+1GP a0XA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Zk7mJfsjIPJK9Qgsn0u5osZJajJrXebF0c1tZrgdgoI=; b=BTrBpC1NYhcs4yqGkoOQJVqGAWauC4ctMQWG/TmJz3zgotCg1lAFctcHpPb6x3ZKPH NA9t9Y3kTo4ekYdOA1xrsHCAv49cyXfwFVhaolBHYj280XtfS2NwYcKoANpeWzPPhX4H Bg6xKTinwb8P4BIo2gcmeS46MkcVysLrfx2+OrULlZjLtICol/BA1jf2OUdltVNj1FAJ hFUX82Og2W71lg+secn4q4B+f5JBrgNuN9vNNALCeK0ADGo7dXvLcHubWwL4pGl87Kkg mP01Qqky/7x9u4zKPvFy9UOq25vG6egudRFtclvafOh5ZBYbwH30hUjrOuLwlfhhuLIB DaBw== X-Gm-Message-State: APjAAAXtG8LpylF6BUE+hXijCBRTYYbgaVXA+I5z7pbAZK9MM2u6pdZX k2sD4Ma/QZbm8ULLI4YiW6c= X-Google-Smtp-Source: APXvYqztsbUVpJnR1pWJXE324fW+SugJBxHHKLNQRZirN/VnD1v0OsiDr/qT4pG5Y0OOV3QlfOZRKQ== X-Received: by 2002:a17:902:830c:: with SMTP id bd12mr131600821plb.237.1564712440479; Thu, 01 Aug 2019 19:20:40 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:49 -0700 Message-Id: <20190802022005.5117-19-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 18/34] fbdev/pvr2fb: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , Bartlomiej Zolnierkiewicz , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Arvind Yadav , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Bhumika Goyal , Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Bartlomiej Zolnierkiewicz Cc: Kees Cook Cc: Al Viro Cc: Bhumika Goyal Cc: Arvind Yadav Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org Signed-off-by: John Hubbard --- drivers/video/fbdev/pvr2fb.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c index 7ff4b6b84282..0e4f9aa6444d 100644 --- a/drivers/video/fbdev/pvr2fb.c +++ b/drivers/video/fbdev/pvr2fb.c @@ -700,8 +700,7 @@ static ssize_t pvr2fb_write(struct fb_info *info, const= char *buf, ret =3D count; =20 out_unmap: - for (i =3D 0; i < nr_pages; i++) - put_page(pages[i]); + put_user_pages(pages, nr_pages); =20 kfree(pages); =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719342; cv=none; d=zoho.com; s=zohoarc; b=lUtlZWtYSv4EDhPJNnseRoCkLjPEfS6JE86jQ1jiIfowxIPjzr854xDg2P1hWdSvLRcVgdaNZkd4jMDLRhfy+BVNNA9WrKSrcB6C8K8oBin3IX6S69zc6ZEtLQpVmtZ9DRd5jf7P3+vJ7sM9M0PyCSnaWcvLQmOoMc+iK06YpI0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719342; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=JiwR0yFqbCZ/0o9MMEgU8yaFpZCgOGZKtFkhJqI3ho4=; b=b44FKdm7ghvkSlxESHopxX6H4/3an3GK14g7l2D8WTjLOVMnVrcR4wNy6/G/VW9cbEYuePrJaZNjSers1//NLhLVoRCQ2Qwo3E0rsp6QbCsaqCxHbcqK+3sMJJcV0WvLjyRG9cKBo6mg39xLqxssUcjnJVU26yjxC6xtQq3gurY= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 15647193421681007.5278950796186; Thu, 1 Aug 2019 21:15:42 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxa-0005tM-Fe; Fri, 02 Aug 2019 04:14:30 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBT-000784-6U for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:43 +0000 Received: from mail-pl1-x642.google.com (unknown [2607:f8b0:4864:20::642]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2070ca87-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:42 +0000 (UTC) Received: by mail-pl1-x642.google.com with SMTP id i2so33033126plt.1 for ; Thu, 01 Aug 2019 19:20:42 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.40 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:41 -0700 (PDT) X-Inumbo-ID: 2070ca87-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=py067aGaFWqYQnWW3CrL2Yk9VWIyNl4WEpwUsrZ7LgI=; b=lOZaOBHnHG96U7CUpGeMR/TMYtjEa4y/ygakLmz0BtnL+pIOpa3C2toztsy8fW4gwW tSTtviLJ7HOi9DtUi5KI4XY0WPu2eSdUBZVMSVezuKPLNyCDQwUs6J0/BBBZ+6xhu24Z FFakCBm8lWNZ+G5ej5b+50tyKMtD+b21oulPMq7HB8nLNBdaEf18LO4IyZXO6FYAkAZH Gf/avj3rVBNxZL42D+4KJvp1yOXbbtpENzFq10jG7FxODtHOFfbvskOX/bZ+DtIk1XsS LtXAfdLjn1YTVqg0w1Z1LAlYkVjy6XQT7mshmHFnFkvQYLq3O8bZzk73cr7CrbSrM5zf ODTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=py067aGaFWqYQnWW3CrL2Yk9VWIyNl4WEpwUsrZ7LgI=; b=pbBNISYGiEdgDO8NGPCv34yAzUfCJQenUSX7iIpoSeTjdlXZ9LcO+8iwEm01ft8hY4 esUoh7nT5u2mGuo2ubSB9LE4x6BmocsvjY7wAcOAcpwq2koXfogkPQAyjboWCEOeYIiq FFBeKPEUqwIpGq77kekn2zeudU7CL5q5T/Y0sTpg4lQhiquyxYFhzN4eJMfcFtpUWxHS x4i3xgyGQU4zYycEUGuyOdvs/MzWlq1xlQ3jST6D/J9yoar+Ahu018UqeunnoQn8oO/T W1m3rZveDjcc+cNeXO+tvrm+nbRYt03drwGjTF3rD/GDyvAX4KYgl7NQJacXhGUYVTuA o6KQ== X-Gm-Message-State: APjAAAU7WJo/4Ontk8HJSoWreqwzeA8JNgRvnPj1XI0C+M6yCz3to+U5 LNzf4m+KRrffBtClzeB6ExU= X-Google-Smtp-Source: APXvYqxy0BkUtbl8ULTboF2upH0nHFnxM+Cu1b4hTcaSsJxULdUpLCIdwe/mZoVo5hGjgo4EZJg93Q== X-Received: by 2002:a17:902:f46:: with SMTP id 64mr130019975ply.235.1564712441986; Thu, 01 Aug 2019 19:20:41 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:50 -0700 Message-Id: <20190802022005.5117-20-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 19/34] fsl_hypervisor: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, Rob Herring , rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). This changes the release code slightly, because each page slot in the page_list[] array is no longer checked for NULL. However, that check was wrong anyway, because the get_user_pages() pattern of usage here never allowed for NULL entries within a range of pinned pages. Cc: Al Viro Cc: Kees Cook Cc: Rob Herring Signed-off-by: John Hubbard --- drivers/virt/fsl_hypervisor.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/virt/fsl_hypervisor.c b/drivers/virt/fsl_hypervisor.c index 93d5bebf9572..a8f78d572c45 100644 --- a/drivers/virt/fsl_hypervisor.c +++ b/drivers/virt/fsl_hypervisor.c @@ -292,11 +292,8 @@ static long ioctl_memcpy(struct fsl_hv_ioctl_memcpy __= user *p) virt_to_phys(sg_list), num_pages); =20 exit: - if (pages) { - for (i =3D 0; i < num_pages; i++) - if (pages[i]) - put_page(pages[i]); - } + if (pages) + put_user_pages(pages, num_pages); =20 kfree(sg_list_unaligned); kfree(pages); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719353; cv=none; d=zoho.com; s=zohoarc; b=XhHmCVTjYH1YCmmWB96JdcDS0ZstRaHT/hLqBpy6X0G7XAOlQ4ltGvrXfg+0U7vDvZbNy+LyQtzXW94qgWp6Q24G9h86GgizCOr9vE/q8JW+y1ak7IyZ3U6PU39QxbB4a2VXNqoM5cVQNEEpo7KoG3Rohp3lHgt0dlyuqkAWOxA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719353; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=mnQuOrKWbUkdqA1NpUgtnplzO01e+MD/berwzJTVPBk=; b=Iu4RA3jafVuvFUYzwsUFtVKmVbQJuYVfqog9yV7X8vh7f0f0iJuHMfnePM8PBhUz5hSpaTaxW6nkMws59eEHWs128QWwNPV4/FblbSniNO/Ntz+mtgx0E62Sn7mFRCP7vYLGA14FNCZHniFHX05XubbxvrnDkIC1udLQIQDW/BM= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719353129684.803386865917; Thu, 1 Aug 2019 21:15:53 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxa-0005tV-OO; Fri, 02 Aug 2019 04:14:30 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBV-00078g-HM for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:45 +0000 Received: from mail-pf1-x441.google.com (unknown [2607:f8b0:4864:20::441]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 214f2b20-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:44 +0000 (UTC) Received: by mail-pf1-x441.google.com with SMTP id r7so35155104pfl.3 for ; Thu, 01 Aug 2019 19:20:43 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.42 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:42 -0700 (PDT) X-Inumbo-ID: 214f2b20-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NpCZQ4VK8hzAbP37Qxye6UhXG/4cH2zDttwN2tDhLJk=; b=hA+dHc1dKtzF01UNAT1GCb910It9M6OYeo1UwisVEiPximZ0Uizqhd58Gx7EN+cwqG oOXAC9GpXS9cMgyPAFeZsWw6yiG5HTsH6dTfrkzHKXhkxbTehvYO/DkXd3o8uGT1hUxz 8W3I7PS2I6VpD8By/LG/APt7ortKYREWRihQ/MahJgv1XZqDU9aXSO+0f9WVFU4wcOzF PifhANph7r1h1aR2sJtcNbzpatSVDPr8LOmoCCwtkUnv/6xTTuq0KjPRlt5jI5AQn0Bo qGRQZk7nx9WeapKs5M+9pdwyKPbEullYlAI/CW2M7lTdWIAU5bo5Tw/OmRhRr64X9QFj r+xA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=NpCZQ4VK8hzAbP37Qxye6UhXG/4cH2zDttwN2tDhLJk=; b=pyNvTHW0VXEeVwzOMyS9VSCrvMweYKrpqLYGqZkI4CRjkwB/HIiuWr3M/ABVM/bA+Z WPEdmpZ1iOoYm3nsx9Xq7SsHbwiQQgi/kqaZaqi1EtW2lXPuauj0DV316QDVk4PvoCYW ug4pomvjytHIeu6QiT+WcSNZJXMLCifeRaQ1eTATkwaHnHnYGAmn2Zk2nBacPMcJXyAg s7HwdbcYPAZ9jT45Z5BLwymF7vyIz7aLN3Oik2g9uJFlVvcHyTPLwg3DZjKzkw1HxrUd XNW0hw3LQOpTw97hiAmm7Y8ia+lrbMPCSElxCWWX7jFImPvjpamhIrgarqzTAcfUId+0 l9xA== X-Gm-Message-State: APjAAAX0RtctfgmVCW2cGuYcyp4nwhG0iOW60/4otWuTry+9mnUIWnNN M001W+Mbdkl2Tz6Pv9VkhKk= X-Google-Smtp-Source: APXvYqwoCf/Pdnvn5s1n1tJ64nDODMRXeExgk7vpJhyWgRCwW2Xl8gxjUqSaBtscPD/0WWSuL29y+g== X-Received: by 2002:a62:fb18:: with SMTP id x24mr55563811pfm.231.1564712443423; Thu, 01 Aug 2019 19:20:43 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:51 -0700 Message-Id: <20190802022005.5117-21-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 20/34] xen: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Boris Ostrovsky , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, Juergen Gross , linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Boris Ostrovsky Cc: Juergen Gross Cc: xen-devel@lists.xenproject.org Signed-off-by: John Hubbard --- drivers/xen/gntdev.c | 5 +---- drivers/xen/privcmd.c | 7 +------ 2 files changed, 2 insertions(+), 10 deletions(-) diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 4c339c7e66e5..2586b3df2bb6 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -864,10 +864,7 @@ static int gntdev_get_page(struct gntdev_copy_batch *b= atch, void __user *virt, =20 static void gntdev_put_pages(struct gntdev_copy_batch *batch) { - unsigned int i; - - for (i =3D 0; i < batch->nr_pages; i++) - put_page(batch->pages[i]); + put_user_pages(batch->pages, batch->nr_pages); batch->nr_pages =3D 0; } =20 diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 2f5ce7230a43..29e461dbee2d 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -611,15 +611,10 @@ static int lock_pages( =20 static void unlock_pages(struct page *pages[], unsigned int nr_pages) { - unsigned int i; - if (!pages) return; =20 - for (i =3D 0; i < nr_pages; i++) { - if (pages[i]) - put_page(pages[i]); - } + put_user_pages(pages, nr_pages); } =20 static long privcmd_ioctl_dm_op(struct file *file, void __user *udata) --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719357; cv=none; d=zoho.com; s=zohoarc; b=Ki3lugSYLdDvr8eNtpU5ZaO5JE0n9RK6/Stuh+jEdKBO4VAw2kmUjiyAGCkCimNhxPa40V2zl3FUqOzTonD/BSw8NUOUAnDWNkJSiV7XWPnYgdSFInIjv8SVX2xbngWvRMj61uAVae88/E+3YoBVX0jhu7GxiyFZJB34w4zMnGc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719357; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=9c8JxAeWV6FS69giLERyAhTfuYO/ZdRc7lXohfTivUk=; b=b4VBDVfKatWeH+HSPk2EfCvFOdXUdDCk7poujAD0BDkbYLTvAUVc8Xk+esCTIkI3++JQOL5C11KacmVZEEjvyrvmW2biUSzCGIXLuZw5og2pZfuCOaPYGOi7VVXDcVMgCYIgsHjktKf2zVFAoAWgEb5HHysx5kHExMZJzIWhPf8= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 156471935729329.77381810084421; Thu, 1 Aug 2019 21:15:57 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxb-0005tf-0t; Fri, 02 Aug 2019 04:14:31 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBW-00078t-2u for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:46 +0000 Received: from mail-pg1-x543.google.com (unknown [2607:f8b0:4864:20::543]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2220759f-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:45 +0000 (UTC) Received: by mail-pg1-x543.google.com with SMTP id i18so35237203pgl.11 for ; Thu, 01 Aug 2019 19:20:45 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.43 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:44 -0700 (PDT) X-Inumbo-ID: 2220759f-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6GC3vp7Kgk6wrS2t1aIFSliRmKpmpPmHRVTf1Sq+2hE=; b=p2jdLnF+o2jszv2jswOdGKVlOI6oap0/O8UoWJ6UXd1vWJ7ZTNuGXBJzfbZP+U3/qi otCtgNo0FYJGbVJMagQHVxCjJNv9DsL+tAgpbtcseuLRjx2D2oJRJvb8QUEovItoJ4yu tqM1+sKVNJqdRAOn+U29/OmuIVN0dCZaqyMULYrLeNzvWGSINvgRw2ctCEPTtpJHvG4Y 9Lt1J9Pu4o6vmxc1Dlj1+fWckvxFMkS2v0xzgYEyRXbpmL6oLpAd8HeumDihMK2pn/qS boIjYLobOad+m+G9IYsoBFXJgOFcyiWgGfoj3yVWjcIkFyKdq3aTzC8VwLjAVimMrt3Q 7cZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6GC3vp7Kgk6wrS2t1aIFSliRmKpmpPmHRVTf1Sq+2hE=; b=j2pgT3tl3dG5hwpyw+IVXrCDNMLYwucLEpzAwHwkdqm/4oPqOjn91rVNlzYtoUXBqJ 0LK5KT48smygxms/LAmJcWc5MCSdosA68+PUtP4pQgXpKA5taOKP5ZETilLYT8bU1he5 mN3EAlaDJkbi0RBhFHc5ykiFHij/Zq6xHypeW0uOwlSYfnPXRGBBSdrDiB2FZIOcGkr4 jD7ffSHiAnWy/UtyvP2loaEjpKMf607N3Nilb1LLTVkdTy+nfeCWUGBEhwh0GnTfbEJI EUN1lf0aZ9p0icEKVeN7iCfgdgmvjMMl4kIM5zKm/xZ6HnqVOFNJxVUChZ5CiYXHnv8k o1MQ== X-Gm-Message-State: APjAAAXAtzTECQDjcR0Axwil9U/Q3wWHA9cxlU3S69FUvz15KM/XrsS0 WBpuHhMNWdIsjGWH17XMaN0= X-Google-Smtp-Source: APXvYqyrk8OHD0K9x3jg/zl4sLls8epCiHibtZqTP4ohZ230SxHbnF+YASroUXHGf8XghjTINYs0fA== X-Received: by 2002:a17:90a:b394:: with SMTP id e20mr1897367pjr.76.1564712444816; Thu, 01 Aug 2019 19:20:44 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:52 -0700 Message-Id: <20190802022005.5117-22-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 21/34] fs/exec.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Alexander Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Alexander Viro Cc: linux-fsdevel@vger.kernel.org Signed-off-by: John Hubbard --- fs/exec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/exec.c b/fs/exec.c index f7f6a140856a..ee442151582f 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -227,7 +227,7 @@ static struct page *get_arg_page(struct linux_binprm *b= prm, unsigned long pos, =20 static void put_arg_page(struct page *page) { - put_page(page); + put_user_page(page); } =20 static void free_arg_pages(struct linux_binprm *bprm) --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719354; cv=none; d=zoho.com; s=zohoarc; b=ZnV1gi+ED+NbjJivRCeSqFMN6BzFQuW/Dwf9lQjzhlSsY2Vnh5SFjx+Fnjo+MUQjHP36OZT8OPFBVbSvUNdBHaM3V3lQPLW+xwZTibu1fe1RaqFmOnWDe/cAtDofubDIvb1BRHcjOTpEwH/fqUzv0MzZ5Wi1AUvWfZkQIF0AdTU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719354; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=d91WGCtnuIArmg61LiqbJRRT2nd7P+QN71FeJmop9ek=; b=lj9/Bd+redffG6/O7ogbBwuiOGIRzr2U3U7vO5BM4M1h0kwDRtzf9URW+22d3mIBpyTipvkeRXxSlI+tt8QVNiCwMObekn+m2qw18b5nn8kL9WYOkVYijFbDh1Ipoj4qmJwb7eBRvsxCxUVZKYNkajUvY2mOj1RdwknrHTzRa10= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719354173800.4442292666182; Thu, 1 Aug 2019 21:15:54 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxb-0005to-Ag; Fri, 02 Aug 2019 04:14:31 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBY-000799-Be for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:48 +0000 Received: from mail-pf1-x443.google.com (unknown [2607:f8b0:4864:20::443]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 230ac59e-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:47 +0000 (UTC) Received: by mail-pf1-x443.google.com with SMTP id i189so35157399pfg.10 for ; Thu, 01 Aug 2019 19:20:46 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.44 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:45 -0700 (PDT) X-Inumbo-ID: 230ac59e-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3zvxFRr3gjg9t3ZKCwZWoMY3PeLUGF9FofBT0j+JfJs=; b=bFa24Z5mQSzxC4eOzJ4+7AblweRywqOmLHClqtb5KdjCAjd1PUSEw/ZsQSQOyWjUsC 1nWyBkhFn3Be02SULNTaYtTCG2J6o3/uRCn091UpjmhLyF7xPQy8wXw/xt4PRY9wiXXM V1nMLk4YhEUMXleXPkZw51V9rlN393l9K+gVXIZUF6ECoqP/Y8CZfCnooK6DgUB0tUD4 eFt7VWtlBH1sk6kipujvSPJHkQR53+eHLV2iAcuMnAVCEWZM24hHRYthkAG8xQ/D08vi iFZfyGckqNCA5JtaUEszagJMdsqH6lCds+G1LZm6Cvnsgs6SuhZpo2MKRXwMzsClRxnN IVug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3zvxFRr3gjg9t3ZKCwZWoMY3PeLUGF9FofBT0j+JfJs=; b=mhskpaCTc4FpTSDnfaFxWtC05PIi7WD9bX04t7TRmculGNI389aZhcS01ASDJyrl93 UxmMO3nzNho3KUIf3nazA36ivxjPit/fq1z//EkSinkG88kbs9bbHEYZR3ndEjB6Ysq0 fj/eFzx7pBTBY8mU0xxOrxJFRWRhCu1D1QLtUNDUAWJsMkj+8S7eqXmnRfgidpZ/zOiU ah12VM4Aule4wRG0glUfycrS9G/Dy2WGVGR6fbxZjCSbhr1eJs2NykwscwXDUriXh9Qc 1yfw18eF/AVuKA80jjnYTV2BdM3w5O6tATANw2Cn/FeLwfQKXyf8VTw4FapUNttMA0tY KZ7w== X-Gm-Message-State: APjAAAU8ksAtKv3XRKcKMt5t8Zb3Dh+CWw1S/1dRSNhQh+kUXcH+4YEt G3lfuJY9kq4Hs8VPmwictLY= X-Google-Smtp-Source: APXvYqxR/U1dL3txs9pGjSe+FwW9uMtR0k4KNaBNNpf6pbzUbZzBuQi9NPNfHMjGx+8Bx8bZmFuKIw== X-Received: by 2002:a17:90a:8c18:: with SMTP id a24mr1817929pjo.111.1564712446323; Thu, 01 Aug 2019 19:20:46 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:53 -0700 Message-Id: <20190802022005.5117-23-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 22/34] orangefs: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Martin Brandenburg , linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, Mike Marshall , devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Mike Marshall Cc: Martin Brandenburg Cc: devel@lists.orangefs.org Signed-off-by: John Hubbard --- fs/orangefs/orangefs-bufmap.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/fs/orangefs/orangefs-bufmap.c b/fs/orangefs/orangefs-bufmap.c index 2bb916d68576..f2f33a16d604 100644 --- a/fs/orangefs/orangefs-bufmap.c +++ b/fs/orangefs/orangefs-bufmap.c @@ -168,10 +168,7 @@ static DEFINE_SPINLOCK(orangefs_bufmap_lock); static void orangefs_bufmap_unmap(struct orangefs_bufmap *bufmap) { - int i; - - for (i =3D 0; i < bufmap->page_count; i++) - put_page(bufmap->page_array[i]); + put_user_pages(bufmap->page_array, bufmap->page_count); } =20 static void @@ -280,7 +277,7 @@ orangefs_bufmap_map(struct orangefs_bufmap *bufmap, =20 for (i =3D 0; i < ret; i++) { SetPageError(bufmap->page_array[i]); - put_page(bufmap->page_array[i]); + put_user_page(bufmap->page_array[i]); } return -ENOMEM; } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719338; cv=none; d=zoho.com; s=zohoarc; b=NZW5bLle7S7OGGu5T2GRb4QZoQimyy1mFgWezhk9mBKnUlpn/68V2+WSVN7f+1yG5ozfBv6HKdJDs6E07w781EHET/iALGAnX0jiClb9V4iNijfbWclwWu3M00jNjlMk7YIc6NIs3eltW8y0Lyzkr8jlpXV6M3dNncr2Rw+iLvY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719338; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=k/UF3SNEyRTYbsUR/sQeBAdY22DI+0j/VieFZ6z+S4k=; b=MWUXnZAWLiR8jzoUKDuZwd7eAiIJ/+SEtgCq+HcCSpzKk2D8Kb7b820cvRDtsjnLAi+FYfKgFhm7bw58uY0RwejjL2/nFB9Hc9oyxF0Pmqs1HOKEd6WuSkO2B5BPj1X7ElIw7KV4dbOKrVQE3TvX7x+zSDmPMCVXFwZAHUDjNOY= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719338882219.22463728319292; Thu, 1 Aug 2019 21:15:38 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxb-0005tz-Lg; Fri, 02 Aug 2019 04:14:31 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBa-00079W-1G for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:50 +0000 Received: from mail-pg1-x542.google.com (unknown [2607:f8b0:4864:20::542]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 23f9dec6-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:48 +0000 (UTC) Received: by mail-pg1-x542.google.com with SMTP id i18so35237270pgl.11 for ; Thu, 01 Aug 2019 19:20:48 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.46 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:47 -0700 (PDT) X-Inumbo-ID: 23f9dec6-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=lKIFYbXGeRFczJ7GPuSawhtMV9YIx2+MYUTps7oOTAE=; b=R1dyNzOze/eqllrUqxRpjhDn38RC7VsduB92QlfhFLYwuwka43d0Yt9myEGcw6WlZm fYIT193clb3cCKkKRa4gQjk01O64tt0BXAAw6nkursyUCEWzk96M/WL6vzziPZU6IL+r rvITeJdAvAjJK8q/L91CFM+eVayVF1xEXzXBIhRNt9HdhEGbz9zWiE6QknGvjT5Q+PbG 0FUQwvdG6OLHf8hS8zvFCr0JHd7YtbTEpJO3//HXWtUvFA/ZCzXGA0y95q3Jed0ZzVaE Qk7ZxouFXvlN6jsSJv67cehYgfxqrCWaOQlJqOD886yacjrOWwt50AkY8+51bO/ECErB IQTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=lKIFYbXGeRFczJ7GPuSawhtMV9YIx2+MYUTps7oOTAE=; b=rufObBNvFkXKD2ZuZ3l/shIUsBglgCNzhJNMYY008cASzEs1eE9NStabWKc0JsWu1+ ZvQDmqSh9GstehwVLUANOx6sz50oa1wxHNCq68OOAzvBLTiLI+nMweAzUGxkCjSzi+By 5SzEZKza8W1UEuVOB/e7HfG12VdAM+j1mhGTQAnbUjpSl6aVfgBkZsS0CzgiHzelWNhE ajJo2ud8407fIAlhynXycsiAJF8FmBk7bAnYGe4/eUT/FcpBZDKrnZkQXFdMSF2XLXsB Y57mKP/ut1xYBmmiczRAN90Vg0LwZOelv6yD0x/R36mUdeDDQQdVrjHdkDuaJVLyZw+d nihQ== X-Gm-Message-State: APjAAAUinkLKU0sNkqvueUxeKibytr1rck2eRpbVT2+EcdUcjuhP628v PS93ZcQik8RzT1W7YIa/vvw= X-Google-Smtp-Source: APXvYqxwmSe9JrA8Nqe8Cu6LF/8yd68XYfT17/pT9PHXIhg3Pa3JuYgXApqhYkPrHPsf3+6NRlbhyg== X-Received: by 2002:a17:90a:601:: with SMTP id j1mr1872789pjj.96.1564712447882; Thu, 01 Aug 2019 19:20:47 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:54 -0700 Message-Id: <20190802022005.5117-24-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 23/34] uprobes: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, Jiri Olsa , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, Arnaldo Carvalho de Melo , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Namhyung Kim , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , Alexander Shishkin , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Signed-off-by: John Hubbard --- kernel/events/uprobes.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 84fa00497c49..4a575de8cec8 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -397,7 +397,7 @@ __update_ref_ctr(struct mm_struct *mm, unsigned long va= ddr, short d) ret =3D 0; out: kunmap_atomic(kaddr); - put_page(page); + put_user_page(page); return ret; } =20 @@ -504,7 +504,7 @@ int uprobe_write_opcode(struct arch_uprobe *auprobe, st= ruct mm_struct *mm, ret =3D __replace_page(vma, vaddr, old_page, new_page); put_page(new_page); put_old: - put_page(old_page); + put_user_page(old_page); =20 if (unlikely(ret =3D=3D -EAGAIN)) goto retry; @@ -1981,7 +1981,7 @@ static int is_trap_at_addr(struct mm_struct *mm, unsi= gned long vaddr) return result; =20 copy_from_page(page, vaddr, &opcode, UPROBE_SWBP_INSN_SIZE); - put_page(page); + put_user_page(page); out: /* This needs to return true for any variant of the trap insn */ return is_trap_insn(&opcode); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719340; cv=none; d=zoho.com; s=zohoarc; b=JrKhguyHgUR/Aa/bcmRPCTTUB+nsQPeZmaSd1xZTMLkTeQ4U3mCZZ+fRBnCWobfyx2re5x0jzm9ZNfTVx+jUuzISmD79mXnSJktPaiixAbIx0Cah6KBg75+7bWoD8ZL25Mf1TIj1VzmI7XEl4MpuqiSbBdssc8HDsnmHhIi0XzM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719340; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=92VmsOlv6/yf5T4aKZJ5rL30sBQRfQt+8g2ETSx4Be8=; b=K3CDbf5q7oRaz1noslIjI/bDrOa8bQ7dgop950ZOi5Ng+ZJ9TchVCihghDJQtfUQkG/MdpGRo5+BTKOlUzspd5ngOT7EWswtD/XcgJ2ifjYlt5souY42zbVp540xLfXGpLaeKEMKbn6elaN8ckBsLrdwa2RtMnnUg6FbfmP4k6Y= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719340289751.7544959633586; Thu, 1 Aug 2019 21:15:40 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxc-0005uA-0P; Fri, 02 Aug 2019 04:14:32 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBb-00079p-JD for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:51 +0000 Received: from mail-pg1-x542.google.com (unknown [2607:f8b0:4864:20::542]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 24e98005-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:50 +0000 (UTC) Received: by mail-pg1-x542.google.com with SMTP id s1so28936881pgr.2 for ; Thu, 01 Aug 2019 19:20:50 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.47 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:48 -0700 (PDT) X-Inumbo-ID: 24e98005-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rRiJNzkH0bRoPJKYXoQcsROADD9YH4USeXVLEsmAa1E=; b=IdQZjyJhMTiA3ru+rOrbTXLCRfg1Iz7YPF+8DSWpdWDcWtOO1jwAD+njJSqb4AFsL3 BoorK7WVXpk5wvzf+3MNWsWlqvxT2AU71m913kuKWpgnoA+0ZYT8hPv0DG2k2t5CL0So 4HfYIB1+xctKU8nZMy0TNVHkmmwgfvFDwPBOEjDSZMguKyYiKdAvH/kYmRGOOCm1PmW7 4QVOBE2D85KD1ebTOdlBPaqm/TGzFf20gzANQLnGH2MHePv/KbpSRa5elxYK3OTWVg7W lX3umVSebAxAiH6LaR7v6UhLbExl0YmQ1qyvKE73k3aH42K6tSy55ZxlEvZWhHEAZhKs EwnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rRiJNzkH0bRoPJKYXoQcsROADD9YH4USeXVLEsmAa1E=; b=fuynqQkJ9SBY5IwFWWOyItNFkDQ0NVxmuwVu+fxw4ntmx0uw2KTDE2n5iZjVpelTzG 6FetwMG51uQybtwAjUgUsXL1x0JDSnpg9S42UO8ocn7CG2nwaQt1AZo3hGhlVsktdOyw pk2n3bDFk6qemjr6hLDqGPRLgjugpk4geTR2OtzwdTykGjDgifBoJ59E8apANwmqWraH Au8wDjCtR00Uc88LmmVS3rWI1bbYVcC00LUCHRoDZWZYJsTnwT3pSQ6C2GCesHKAzc4c qGyCUi6FSoASSAcKJb6H6O9aOMkDFwzGifgBfzFGT01bFhLazb4WGB8y8D95Sp2QkioU /2uA== X-Gm-Message-State: APjAAAVTXsYShjRP2NywtjcrLkFy/p9OrUmS1Q3WzU5bolDhlex5oKYI xFfUAnYhIRchP+OM6tJzu8Q= X-Google-Smtp-Source: APXvYqyQ9NWbm7e7UjvOHtMhAwjS+tkI0uFYNRjX3KlyXdyqOSjy3adbw2n2ONz+amcM+RqqbPvknQ== X-Received: by 2002:a17:90a:cb15:: with SMTP id z21mr1894788pjt.87.1564712449418; Thu, 01 Aug 2019 19:20:49 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:55 -0700 Message-Id: <20190802022005.5117-25-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 24/34] futex: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Darren Hart , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, Thomas Gleixner , linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Darren Hart Signed-off-by: John Hubbard --- kernel/futex.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/kernel/futex.c b/kernel/futex.c index 6d50728ef2e7..4b4cae58ec57 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -623,7 +623,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a lock_page(page); shmem_swizzled =3D PageSwapCache(page) || page->mapping; unlock_page(page); - put_page(page); + put_user_page(page); =20 if (shmem_swizzled) goto again; @@ -675,7 +675,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a =20 if (READ_ONCE(page->mapping) !=3D mapping) { rcu_read_unlock(); - put_page(page); + put_user_page(page); =20 goto again; } @@ -683,7 +683,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a inode =3D READ_ONCE(mapping->host); if (!inode) { rcu_read_unlock(); - put_page(page); + put_user_page(page); =20 goto again; } @@ -702,7 +702,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a */ if (!atomic_inc_not_zero(&inode->i_count)) { rcu_read_unlock(); - put_page(page); + put_user_page(page); =20 goto again; } @@ -723,7 +723,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a } =20 out: - put_page(page); + put_user_page(page); return err; } =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719344; cv=none; d=zoho.com; s=zohoarc; b=JTvhhxlQwXPGt5FASnKukUZi676ekaEe/wkoaTMthm7jh7aeTLCI53TdSuZcq1feZmWuHCRms9TZMyr2gJsK8y9nHW2s7klXkEF3ZKz4gV5WgB0zvY3MScL4uFVYKyMJhHOy85iBmaesP2D65xyHYZBce1JePGmYaBQKijq+E48= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719344; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=BAyQgUg0n94C3zOBX2stytKt0h13oyUKc/uYOA05z2c=; b=WfQyorTvb83zpCfkqOkEoeJkzW4d3rVshVNvkQKf/Vyha0sTsZT28uAXhKzrWDksKRnuNzQ42G/PEokb57igiJaZ4hehYIjbVnYcQ11QK89AzxCToGwlxYZ67XVMbYC31VVdrRcfSXlT0O+CdKKHeWKjM4NsoqJZMsrodVaQ+yg= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719344173264.42374685668403; Thu, 1 Aug 2019 21:15:44 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxc-0005uI-At; Fri, 02 Aug 2019 04:14:32 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBc-00079z-V5 for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:53 +0000 Received: from mail-pf1-x442.google.com (unknown [2607:f8b0:4864:20::442]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 25b99340-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:51 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id q10so35138547pff.9 for ; Thu, 01 Aug 2019 19:20:51 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.49 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:50 -0700 (PDT) X-Inumbo-ID: 25b99340-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XDFswRI13oGzit66yuxshlgOj+nOKd4gwJhAdxr7MGM=; b=hP1EduyKMG+yuXrF7KrLXpEWytv06HPkyhEngT/TxypVjl15UFdBSQ01HK831DacB6 y18d2lzANesimTaq9XDZY67ictckhnVqIa+djvmZG+RwwqwovWVosZPm2hXdPP8mZbc0 0yKrCu+VZPWp1BX7LdN24uYM7pD4/H1JhmD/G5vWAzU3HcQxPlc6uryb9qFNED1nmvuy vlc0Xyq/DfVAu1bkczBpbXVhlvoDYp/Xx1PasljpvjsnXilMO1dGN5gCe8VOPhx84A7a m7JqyBz4DRJG/5S/1NCOJ5bKHp9eLh6RG6N9nPftC1UPm2sven5C2Ciggp1fXGl7R4y9 0EuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=XDFswRI13oGzit66yuxshlgOj+nOKd4gwJhAdxr7MGM=; b=rgyQfXUq8xwIPcQXWSlM3PZJ7HW0k8zDpxdjsJ0kRm9oCTm7F2ZwP3laZPIzB4W6Jo 3G5MXOHeOJke0OJvnlceQWwcNuAM072NqWS9Az1tt9/Ch6EXBr8rgI4XmBYDD1ZA/ta4 yYL83OEruGdp9DEoYzLRFIctTSmeYGP7BpUd1n5zbHBa9uQvCmDrl9fxUrpNSZ7iEfQD ZJS0GetASooaqXbH2MqNcG++HoJfKgvPfeiSlX38ndyRM72bTiwkOGuapTUt4udWzUnK Uq5gwukCu0/UbLRiG7woeO35UGUXYiWu8LXOSBu8jRSZcCFgjav4BsUnDsTGK/PgbOAD 2PDg== X-Gm-Message-State: APjAAAUy1Vu4pyj03jiv7vhW5Jchv62eNYjG1ulafOlWPKw9HJ7FmGfx 7wCbeJHfWpjAQrm35x8Lo5I= X-Google-Smtp-Source: APXvYqxrGBxtmn7yAK9mdNxfQbE+IWGBlk1o9qGDinrparVfdT4goa6Xy1ipLTWrwKQoX2yj/q+h8w== X-Received: by 2002:aa7:8218:: with SMTP id k24mr54831158pfi.221.1564712450876; Thu, 01 Aug 2019 19:20:50 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:56 -0700 Message-Id: <20190802022005.5117-26-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 25/34] mm/frame_vector.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Mel Gorman , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Vlastimil Babka , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Dan Williams Cc: Jan Kara Cc: Mel Gorman Cc: Vlastimil Babka Signed-off-by: John Hubbard --- mm/frame_vector.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/frame_vector.c b/mm/frame_vector.c index c64dca6e27c2..f590badac776 100644 --- a/mm/frame_vector.c +++ b/mm/frame_vector.c @@ -120,7 +120,6 @@ EXPORT_SYMBOL(get_vaddr_frames); */ void put_vaddr_frames(struct frame_vector *vec) { - int i; struct page **pages; =20 if (!vec->got_ref) @@ -133,8 +132,7 @@ void put_vaddr_frames(struct frame_vector *vec) */ if (WARN_ON(IS_ERR(pages))) goto out; - for (i =3D 0; i < vec->nr_frames; i++) - put_page(pages[i]); + put_user_pages(pages, vec->nr_frames); vec->got_ref =3D false; out: vec->nr_frames =3D 0; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719354; cv=none; d=zoho.com; s=zohoarc; b=DHw/kBZKZ/OMIUtz8iMuW8BwzUzDzaKOBDpzlGrkMA1Cy84Mx2biGjE1UbZn4CMG1L58RX1m73ckpKFIbvKY919C7FQ1/7zL2lxeVihL7Y41LeXW3TqZ6LOcbMV8PM2a0pVv5FMjLSH65unXu325AWxWTYVuZevHIVwahZBT0VA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719354; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=lHfk0fctU0v5FViknGvvyiPTbyy3m8mZs5f9ArTGXHA=; b=EiU2r2pHqXUgRPtFCShwhTTtFxs6hN8FOtWTSJNaRnMcscyRrtixRiiZZIt/NBbzkTw6idhInxWABv2Ie6PJmcx0PY549zysqKj1bPS1cxsRLUFx8m8vlNmIPmmwAjNpWn7a0Yw+1qGdtGL7L5wLx84BkCXma6JhHzjyohbVp+I= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719354440469.12610413649793; Thu, 1 Aug 2019 21:15:54 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxc-0005uT-LF; Fri, 02 Aug 2019 04:14:32 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBe-0007AP-80 for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:54 +0000 Received: from mail-pl1-x643.google.com (unknown [2607:f8b0:4864:20::643]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 26b263bb-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:53 +0000 (UTC) Received: by mail-pl1-x643.google.com with SMTP id a93so32956801pla.7 for ; Thu, 01 Aug 2019 19:20:52 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.50 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:51 -0700 (PDT) X-Inumbo-ID: 26b263bb-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=o8Q8kE8hzW/DwKrVVZh1taN77rkNxpuim/5zYvIGd0I=; b=SN9JCWjRa62SDUJKkHaVdcwHX85kw/BYyJx1Oz6MKq1tPWuA+R+kvOX6gTDvC/TGzM WuYG+JBQhglp5JUL5bE3kcONL91y/gVNfG1/TEEmXEUkwsc3IV9ZwlZo4fZZ39RQbUrI einldN97i3VjPzZmNrk7Gi70UVvHdYeVSXiOY7z0rmJg1OD2RJX0hB2kTyBbOVlbD4F/ wFv0bPm5s1TrbkD6/tFvn6bnIJfGHM4gcvzjJiA5o2aPM4xOIDqOY4iccbO2F7+VYayI O0zTQo6na3+rAYAFM80xDRcL3DANvgDbjQbLbpyWsZCgQEzyIKagAyXZm1uNkiwXdu5u s1Rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=o8Q8kE8hzW/DwKrVVZh1taN77rkNxpuim/5zYvIGd0I=; b=sPc6ucdPk2EFS3IV8r19lAqoVz0Rn899cL1TdRgONsCdg9avVox4/JL3IqG5LDvd2o fJ1tIyx827ltB7iJw5mnI1wjjuu1fX0r+TMueNv+rISKFfKaEV4+neODXKXm9OfVpFhE oLLmtBQp3PCKtGYGWjHVDUENF9Ndq7yU6W91y+eki2WAfMGOgKBSdVRSE88qkFz/i5p1 UM/LVkPBmJE366GcX+hZPTnOrLTuQ8k/5cBiXCMxkx73/iZUNYqzl78hn3VV/fG+4Ft/ 97WF2m4S2sByuMF+APiIqWSLtJ2GtlHf9jnZhDTqMrBU19HBfaMm0QAHbPKFtHxrpTZE CSuw== X-Gm-Message-State: APjAAAXdOqftEtZZ32h27UOzAuoBDhwEs5hJBN0cxNwItWE5yN2I8mRK gekExUj/ga8hEyeVy20bI8E= X-Google-Smtp-Source: APXvYqz1YTjVZYS+LesWuf1AG7NOEG7XNcFlAKVjP+75gMoI5m//7o/WseaBl+rAw+Wa9I/u7wQNfg== X-Received: by 2002:a17:902:740a:: with SMTP id g10mr129917590pll.82.1564712452476; Thu, 01 Aug 2019 19:20:52 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:57 -0700 Message-Id: <20190802022005.5117-27-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 26/34] mm/gup_benchmark.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, "Michael S . Tsirkin" , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, Keith Busch , linux-mm@kvack.org, sparclinux@vger.kernel.org, Dan Carpenter , Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, YueHaibing , amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , linux-fsdevel@vger.kernel.org, "Kirill A . Shutemov" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Dan Carpenter Cc: Greg Kroah-Hartman Cc: Keith Busch Cc: Kirill A. Shutemov Cc: Michael S. Tsirkin Cc: YueHaibing Signed-off-by: John Hubbard Reviewed-by: Keith Busch --- mm/gup_benchmark.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/gup_benchmark.c b/mm/gup_benchmark.c index 7dd602d7f8db..515ac8eeb6ee 100644 --- a/mm/gup_benchmark.c +++ b/mm/gup_benchmark.c @@ -79,7 +79,7 @@ static int __gup_benchmark_ioctl(unsigned int cmd, for (i =3D 0; i < nr_pages; i++) { if (!pages[i]) break; - put_page(pages[i]); + put_user_page(pages[i]); } end_time =3D ktime_get(); gup->put_delta_usec =3D ktime_us_delta(end_time, start_time); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719338; cv=none; d=zoho.com; s=zohoarc; b=PNxbTuVGvA3tXxTz/LMRLrW5AjyCoVQFgYfGt9jDU8I5fFa5gOXJGHg+z3CZypiydZ5m6fO0Bni1WrNIUHE/PBwXL6x8ud+NtYFCGxTdgNJUs/MIt0s3TzeE9WFSiUH0whRydQC3nlO2U/JcQieVUfoxDARbOIJ2vlyB80sqVek= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719338; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=Q2FDd49WE8UHipWG5ZiFDV/S+DOymblbpVZjgY7G3Y4=; b=QPiez1gmU6gHttSA5DQqA3nul6B7yKBFSoCCc82sQ8nW6BvlM8iP6215C8rPc76aEk3QFSt76VUeXoyDyBB6ttvh9FtNRM/pCmRiZssNualE/xJZj4abZt+VJ861/LkegVRacI+PB1Hom7xtjD/Xit6VqdnixgLJwAt27zGLUSY= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719338538610.4452945734967; Thu, 1 Aug 2019 21:15:38 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxc-0005ue-Ug; Fri, 02 Aug 2019 04:14:32 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBf-0007Ai-Ff for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:55 +0000 Received: from mail-pf1-x442.google.com (unknown [2607:f8b0:4864:20::442]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 27b8dfc7-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:54 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id r7so35155349pfl.3 for ; Thu, 01 Aug 2019 19:20:54 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.52 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:53 -0700 (PDT) X-Inumbo-ID: 27b8dfc7-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=GAYBkmVoEF3i3+udFKn42Z4HyLG0jAAiACtL32v96bk=; b=bmiw3CX7eWARhNE7AvtkZmQS4x25Aeig4lpzknXcIaYlaD2lFjd7SScDpJpgYkkx7H M9zB+YKzWGQiUxpLMFNGr5C65PRt2twJ1gMudyUxXC2keVru4Xjo/FbRHcQrMN3Y+TrZ eo41sq59jY3La9DLko+7E0ikMqlCsHblNQuS0OdL1WxPMxgnPsNhJmLosVpKu/cSt2yk /jFkZ5J0l+DrkETHxtxwR7Cu6qeEDmLrh7LIOTNKe2v9mBpFbaPnHS0W/dcoeyOSz4Iu 4HCVwyMi41Z2O7etDQGq6Zv3vzS7McPz5uoywJBAMCcGAE7RrRQ8O1qBbeYiWwc/8w4w LKxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=GAYBkmVoEF3i3+udFKn42Z4HyLG0jAAiACtL32v96bk=; b=twnvntSUiHxxuvYLc08SBags2l7sT2r8n4NIktklffNpFPFjhaleXi5OCPy4dm8xAw wojn4qXStnkQh2NYD7ScQqpEc5nXoxvrFXlATINuJl4NdiJQ8Wc/iIsU3hJfJhM4PCS7 OGpdQ1EkJ4yr38fYjwx9l/jHuTT5Q6k08MfIijEDvtrJ9Mcp+M+rqTqo4CWqNI8qT26x iZK4UFq6bmJ3QxKR30mFDznqzj93cQHYNG4XPCqiaUcltTam1Ix4toJXxPGGYMt9i1ta aIG6MwK3HOBdu5lbBP5NWS4HY7h1qJFvRVaZrlrvTyJrpmZwE2HCuVyOxniSQryIfOCB yLNQ== X-Gm-Message-State: APjAAAURndNbXqF60xekG2RZVjrD469Z1Va6/MrS33jLFP54+dWcbpQC qoDNNikB4SD4AniBDMv/6ZM= X-Google-Smtp-Source: APXvYqxC0ya0xWU0ncqxEWJISgZVi9PxJ3dzG7YEhtGnuj+4PZQMAaeHdCEV26ObbLm8aGFRS+hMhQ== X-Received: by 2002:aa7:9481:: with SMTP id z1mr57240070pfk.92.1564712454191; Thu, 01 Aug 2019 19:20:54 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:58 -0700 Message-Id: <20190802022005.5117-28-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 27/34] mm/memory.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Michal Hocko , Jan Kara , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Matthew Wilcox , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, "Aneesh Kumar K . V" , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Huang Ying , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Rik van Riel , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Will Deacon , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , Souptick Joarder , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Aneesh Kumar K.V Cc: Huang Ying Cc: J=C3=A9r=C3=B4me Glisse Cc: Matthew Wilcox Cc: Michal Hocko Cc: Peter Zijlstra Cc: Rik van Riel Cc: Souptick Joarder Cc: Will Deacon Signed-off-by: John Hubbard --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory.c b/mm/memory.c index e2bb51b6242e..8870968496ea 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4337,7 +4337,7 @@ int __access_remote_vm(struct task_struct *tsk, struc= t mm_struct *mm, buf, maddr + offset, bytes); } kunmap(page); - put_page(page); + put_user_page(page); } len -=3D bytes; buf +=3D bytes; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719338; cv=none; d=zoho.com; s=zohoarc; b=M8MhF362hzyVO6n+QBaHVqK0EWK/hwtAeQu5Zh++iSOvx/nYJwpAbsv5/opbIWFSStXDLIofqg1FjbOOvJcjFomktV76eBwt5IXs+g1NOOXqMGCeE03IgbILWPoEDrDnZB3HjTD/3q24OzcmMyhF6QmkK0Ruv3xTgUBmw9vnzdc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719338; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=gxg5E31SnMRO01Ad/sc5W9Fvk97CkuD1iGTlKTiTaGI=; b=S5awKLNltF/GeAs9f2fK7lSqVCLLlvwb8DNyQkNcRDEU9JEcqzVIbIE4TnW0WC/YEgjIfNDMZGfgU7gqNXcUUAjvpEChTDlMhpVtTrfNOXle/p01z8kwPnxTkUamxAs9HsNPDV+0gAJQewZtuhhQevSIzSdwXOaYPLVH5WnfmLs= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719338621818.0997560058022; Thu, 1 Aug 2019 21:15:38 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxd-0005un-7q; Fri, 02 Aug 2019 04:14:33 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBh-0007BE-OJ for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:57 +0000 Received: from mail-pl1-x641.google.com (unknown [2607:f8b0:4864:20::641]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 28ac740b-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:56 +0000 (UTC) Received: by mail-pl1-x641.google.com with SMTP id 4so26013994pld.10 for ; Thu, 01 Aug 2019 19:20:56 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.54 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:55 -0700 (PDT) X-Inumbo-ID: 28ac740b-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Puv5caB6Xd1AJbwd7nGzyFKNouoVWAfL+vJwz/b+4QQ=; b=QRyVr5yg7UVnGFe/94tarV2cx/oce/jeAuEbGS+hXnWMVkUY07iSzJ+XdsjD5nlJBq rtaqXFFIyJDVZMz/IPqdxV28iUWO51kec9aYcvEuc1NKK19hn11UPjRAndaZuD321pFs RKnDddIFoWzyAYe9j0yIZ0ilD198KHwio3GcyDW9wHOLHbZQnh4EWC6hi4aeKuKjN/3A ASJiUynmLC6iZL/fZBtp3/NtpLCOGP1VvcXTdQwMcpbWEECy63Zknc8xjKmFGFNfVmU2 0O+/0uGt4SKVMx7bM2tpg32Bk0v9UkWkkUlVmxU39ntVy853hr2Hw2jr21+6/jgrAg21 vCDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Puv5caB6Xd1AJbwd7nGzyFKNouoVWAfL+vJwz/b+4QQ=; b=ptG9YodWJ2hJXSYJWBwSdioxf1NyTaVuDdFpo4d2QFS+uN9OU20T1Oz4893m2hg9SK T0oNObJim0/1CnmJxj8N6UOG1JbGMZ+BAqmLVqIpL2dnEdJ7puS5X75Co7QQN1A8DpGZ WojkShEH4L2Lh8WqaQTKtZK+E80OxRdEZKNb7RqS7C3ap0x7RkOpxtOBBN6ySSWT3QTg XsRJo2b2Mn5EEX9auHFhiyQaW1cqfs/fuJsNkKsi8jqHVSl2pVR4YnwflYt5Iv5+tG2G GxDe8dJWqyoihlI0mg4VAOEKNCiUPT7ky3krtvFwLKl6LRani1GvfvBZ752H5PetgaFe z9Vw== X-Gm-Message-State: APjAAAUb+7T/oASHRP08UM/EDQAhhUNF+yFvT+36waynqwHll7cmIOvv aWnGxviFD78AwNFwnD+sETg= X-Google-Smtp-Source: APXvYqyaZ4okZt4HMDulUfOascyI9kF+Bm8CH1styyIgJXB6Yp2GZVtQjz5NJsvyCn9V25oNb5Ohjg== X-Received: by 2002:a17:902:100a:: with SMTP id b10mr87552918pla.338.1564712455774; Thu, 01 Aug 2019 19:20:55 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:59 -0700 Message-Id: <20190802022005.5117-29-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 28/34] mm/madvise.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Matthew Wilcox , sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Daniel Black , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Mike Kravetz Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Dan Williams Cc: Daniel Black Cc: Jan Kara Cc: J=C3=A9r=C3=B4me Glisse Cc: Matthew Wilcox Cc: Mike Kravetz Signed-off-by: John Hubbard --- mm/madvise.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/madvise.c b/mm/madvise.c index 968df3aa069f..1c6881a761a5 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -672,7 +672,7 @@ static int madvise_inject_error(int behavior, * routine is responsible for pinning the page to prevent it * from being released back to the page allocator. */ - put_page(page); + put_user_page(page); ret =3D memory_failure(pfn, 0); if (ret) return ret; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719340; cv=none; d=zoho.com; s=zohoarc; b=P6zoi2mWOB6yWmjUSHaYwx3OyhSL++dn1q7kn1UK3IFkVwgK6CkvISkIRWPV55cgKaJ71aDgQRA8Saf+XuzvgIE+/cqFO1Ax+InSr07uSSlD2d/KRrKJSjhz6w6AHL7HLFc/ediAvAkFqmLpZF+pOgKPyS1Zza1FelbYALjqlTw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719340; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=fEPTZ4dRzGAKeFY6GdHWLr6xp+c8EoSqfFWIC6Lz75w=; b=S0Xbg8qiHoKrzwRd5Rz1vJfB6qXAMjxF2KBxV7KxE+zZsjVGRh28k3Y/qKumsR6+bJ3mFVLywplWqozjaeq+JiRcZi3oxJ1XAagGRzxyI5z1IsoNS08+3yAHu2KMXUdKMISibbB9S4FGr2yBa+mClXfdEi3HqKxpZXMOHxcYjYo= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719340944842.7783936424449; Thu, 1 Aug 2019 21:15:40 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxd-0005v0-JG; Fri, 02 Aug 2019 04:14:33 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBj-0007BT-2U for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:59 +0000 Received: from mail-pg1-x544.google.com (unknown [2607:f8b0:4864:20::544]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 29b2bfcf-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:58 +0000 (UTC) Received: by mail-pg1-x544.google.com with SMTP id f5so26416661pgu.5 for ; Thu, 01 Aug 2019 19:20:58 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.55 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:56 -0700 (PDT) X-Inumbo-ID: 29b2bfcf-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=P44t64b1Yt2CczJo6SOAPYnnEfAXhRMhGjbg0YSdFKY=; b=pDDjdXXj6RFblmUZntZEJACUef7RKkNl/YK04UbkHBUCjruhPz1DvjNzBz0yKiKhLU m7TMmjuez3cY0GOJbOTSBK2VUdIVnusEW0vCSFZAYXoD3irkbR/lbNxP1xvdu08hMie7 kzmRBnIq1D5NEN+UIvAycIBnd5W1b4XDWFug/SXkacUthZGPwZUithvAb6zFZK598+Zf KNchzaJdTnwJOaC7HcvTulBYTwt81Zp1hO/B2Q1bZULoUdzowXbHyNeGUScibcu9SmcM prETRVYk+V5bEeFpHbvbtuzpFBWpu22yc2ThdO/xtNJdbTSkoBepWkhbKAkxtBTCzSLm uqtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=P44t64b1Yt2CczJo6SOAPYnnEfAXhRMhGjbg0YSdFKY=; b=hI8OKFHiBUgl39RMBz3kwkS4akhRGdhufoHY0A2g5LXTJRNJVKdowOMXozIn6RKG/2 2lVU0TYOHFn1hFOGx4NLbyyIgs1XkOmC+JBaeaNYHic741Q+iPYM7Q5YyTnNqBp9rSuH IPVPTh+EP6mDXcJ+dV0AuCJJu56qg0AHTEO5cwU30c+UuHVAlikRcBg1dV4kxEepqvk2 WbOsRiakbl1Te4VotX477tI55HqdwDIOKabHHR08TqtOZyGeyNuQJstald/fwfmv0aRs 9vUikV+RLGsZP6/qkx+jivCKiM3acvjC5VT1KMCXictJxYrAslwj3hPGH0Q34lEgOgFs vcSA== X-Gm-Message-State: APjAAAVbmKigOT5eXlhBEeBmp1IEbNP4M59zFQgzkU/x3c5PRoXhgPy/ 4qKkjNZMGIKIwb0dwVKSmVs= X-Google-Smtp-Source: APXvYqzmhx2HN9zJqN7W3z+BTBjGONUj50lIUbKXplqq4RVMAlpQQWHUfPagZ1wT+1La24vM3uCr4Q== X-Received: by 2002:a63:9c5:: with SMTP id 188mr86233384pgj.2.1564712457422; Thu, 01 Aug 2019 19:20:57 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:20:00 -0700 Message-Id: <20190802022005.5117-30-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 29/34] mm/process_vm_access.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Ingo Molnar , Christoph Hellwig , Jason Gunthorpe , Rashika Kheria , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Andrea Arcangeli , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Mike Rapoport , Mathieu Desnoyers , linux-rpi-kernel@lists.infradead.org, Jann Horn , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, Lorenzo Stoakes , Heiko Carstens , netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Christopher Yeoh , linux-fsdevel@vger.kernel.org, Al Viro Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Al Viro Cc: Andrea Arcangeli Cc: Christopher Yeoh Cc: Dave Hansen Cc: Heiko Carstens Cc: Ingo Molnar Cc: Jann Horn Cc: Lorenzo Stoakes Cc: Mathieu Desnoyers Cc: Mike Rapoport Cc: Rashika Kheria Signed-off-by: John Hubbard --- mm/process_vm_access.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c index 357aa7bef6c0..4d29d54ec93f 100644 --- a/mm/process_vm_access.c +++ b/mm/process_vm_access.c @@ -96,7 +96,7 @@ static int process_vm_rw_single_vec(unsigned long addr, flags |=3D FOLL_WRITE; =20 while (!rc && nr_pages && iov_iter_count(iter)) { - int pages =3D min(nr_pages, max_pages_per_loop); + int pinned_pages =3D min(nr_pages, max_pages_per_loop); int locked =3D 1; size_t bytes; =20 @@ -106,14 +106,15 @@ static int process_vm_rw_single_vec(unsigned long add= r, * current/current->mm */ down_read(&mm->mmap_sem); - pages =3D get_user_pages_remote(task, mm, pa, pages, flags, - process_pages, NULL, &locked); + pinned_pages =3D get_user_pages_remote(task, mm, pa, pinned_pages, + flags, process_pages, NULL, + &locked); if (locked) up_read(&mm->mmap_sem); - if (pages <=3D 0) + if (pinned_pages <=3D 0) return -EFAULT; =20 - bytes =3D pages * PAGE_SIZE - start_offset; + bytes =3D pinned_pages * PAGE_SIZE - start_offset; if (bytes > len) bytes =3D len; =20 @@ -122,10 +123,9 @@ static int process_vm_rw_single_vec(unsigned long addr, vm_write); len -=3D bytes; start_offset =3D 0; - nr_pages -=3D pages; - pa +=3D pages * PAGE_SIZE; - while (pages) - put_page(process_pages[--pages]); + nr_pages -=3D pinned_pages; + pa +=3D pinned_pages * PAGE_SIZE; + put_user_pages(process_pages, pinned_pages); } =20 return rc; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719338; cv=none; d=zoho.com; s=zohoarc; b=OQr8IwAqo4YQsYJd0e5sJ/aH5lOaabeVG7PFtmg39VGMlGo5zxMQMv75OgZFYF4Ku3/ljogcoGieynNJVoTY6oy1X+cXq0lIv2pDktEdRue4s2QuDmQGYLk+X1APLpmRV24Wzza0oHCpSe6BWmbIZpSOVpivYNNaeJ5k7UvhHio= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719338; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=m9+ydZWMY7WsZXURtDB5I+6buDgQKx5cgplCELla9q8=; b=gDZ7+S5Yx+Oq8VQRJpazYwn4P95u3hxHRhfu8lY0ifyTpRX8EVAqhdW72VOjdFHDO89wT/yhQ/d8JqEFLhKH0Bo0cjuJ7nGKI/p7q5fIpwmAsNwqQDowYndodZQvBMNnZQ1UgHtJwQGXjPt8onyCN8d8+qvk5J4kbHWwVgPox7o= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719338092873.6371099617442; Thu, 1 Aug 2019 21:15:38 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxd-0005vG-VF; Fri, 02 Aug 2019 04:14:33 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBk-0007Bd-Av for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:21:00 +0000 Received: from mail-pl1-x643.google.com (unknown [2607:f8b0:4864:20::643]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2a91c47d-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:59 +0000 (UTC) Received: by mail-pl1-x643.google.com with SMTP id 4so26014038pld.10 for ; Thu, 01 Aug 2019 19:20:59 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.57 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:58 -0700 (PDT) X-Inumbo-ID: 2a91c47d-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=4iYkOl3aeyTERThJenFq1/3UwJx4Onl0nTT+k7YLDaI=; b=elfpTxMe1/6j0BhX2ft/28omzWdU5w7mpxF5KS6Ry8a8zkGJScYbqAJ2NTQjOpA+gX oQX8NO2qfr8fQYzhkmlI2m44i8n5UA95IshiSsHQfSaUB55LfEMP8Nf6Bwly/9Em6O/v kb75MLzprl0H6ilua+Tsx9/J/pL9/kQBkbd23F8nfmf7/S2UoqNko9rQth0i8PtjUyLH QNhM+JJQO3CxcyAMQTRjV2IrQz9Ukzpv3t7kO6uUD4p+f92uGnc2g/qdEf6YIu13QPQ3 M8XRiksoxntjoSZ9RhVKNzEdpCIwtT4CToNN39nu0gxIxKKgNM9/D3+uDvkH0PFa7iEb mOeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=4iYkOl3aeyTERThJenFq1/3UwJx4Onl0nTT+k7YLDaI=; b=Ak2Nw2g14NFWWfQ6pqcKWlAs4ZBS9qr4T28yal2q7lK5fg+5QpqXf2Vnrs/c1VzWe8 Uxk5DED5UuYyEUw4ewYOONv+DgIqdE6OtZMmrmY2zYY38gI/ahi03JDEoTrWq1Kf/oIB +C6Zh/XpFa6a/L+aOaJdnxu1VbH2iB4QFQ39GG3tWMd9/IVdvPX578KagSxa2dvT3Yuq oQToJvBEcAN0qmpsiFtS41S3Fhpi0IvRTmxeCdz711K1hmO94MUcN0BiPtc5ZvFaUIkM eDQoMez/3/WbclaQ87ubmRCp6P19kdIZD0XAgrmi0QybHFU0DLDvpnnMauLzXiizEg6T lH8Q== X-Gm-Message-State: APjAAAWtPlSbHrG+unvW+XFC0PiRhWyrF9d5Bv7+ZBtPSy96wD9h8R9B X2Rth1iM6Zwd2p1ZiVozgSE= X-Google-Smtp-Source: APXvYqzzllbFm5p1RJ6Hv9sdYEOY7jdZkiYuzxv4vZdIzU4+gyWXMgDLOAREt7Tj2iCCice8+nHYSA== X-Received: by 2002:a17:902:24b:: with SMTP id 69mr123385473plc.250.1564712458970; Thu, 01 Aug 2019 19:20:58 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:20:01 -0700 Message-Id: <20190802022005.5117-31-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 30/34] crypt: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, Herbert Xu , linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, "David S . Miller" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Herbert Xu Cc: David S. Miller Cc: linux-crypto@vger.kernel.org Signed-off-by: John Hubbard --- crypto/af_alg.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/crypto/af_alg.c b/crypto/af_alg.c index 879cf23f7489..edd358ea64da 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -428,10 +428,7 @@ static void af_alg_link_sg(struct af_alg_sgl *sgl_prev, =20 void af_alg_free_sg(struct af_alg_sgl *sgl) { - int i; - - for (i =3D 0; i < sgl->npages; i++) - put_page(sgl->pages[i]); + put_user_pages(sgl->pages, sgl->npages); } EXPORT_SYMBOL_GPL(af_alg_free_sg); =20 @@ -668,7 +665,7 @@ static void af_alg_free_areq_sgls(struct af_alg_async_r= eq *areq) for_each_sg(tsgl, sg, areq->tsgl_entries, i) { if (!sg_page(sg)) continue; - put_page(sg_page(sg)); + put_user_page(sg_page(sg)); } =20 sock_kfree_s(sk, tsgl, areq->tsgl_entries * sizeof(*tsgl)); --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719344; cv=none; d=zoho.com; s=zohoarc; b=KIdJXflq1SjCqzFzqnhmOOalRYzfA90Uvn5F59/hcRjP5UYwLJ/dfFoS1T0GQzUdqrec4400k2LdZFOrvI4oamZVLB7IM2EVBXU1ixjEAxoIYYI4f7HzfSST3RBWCEZdOgDo1+r1nzXqUZVqSCexfvPsoEj4L6nAGLbGXXcxgnM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719344; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=vstSQmIHD/bRG9vnFuRYjlMRNE5cJdwinRbsUTQe6f0=; b=S4jdjfHLQ4rAlwznSA9h+nCAU0BinARigK1t/4yAsxRLfdG5JXyZRCVnUN3ldrkGUWi4fJRM+STmrL8olhLFLzsRaq+j31UIzGUD2Wpd8Ds/dmyLIXfUXraNY09T7sNAj/da0POhYpMEFRH9V05E1MY+y6BKcwU/Ht0Wr2Ru0AU= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719344140314.3337501361874; Thu, 1 Aug 2019 21:15:44 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxe-0005vU-9L; Fri, 02 Aug 2019 04:14:34 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBm-0007CC-L5 for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:21:02 +0000 Received: from mail-pg1-x542.google.com (unknown [2607:f8b0:4864:20::542]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2b83019e-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:21:01 +0000 (UTC) Received: by mail-pg1-x542.google.com with SMTP id s1so28937111pgr.2 for ; Thu, 01 Aug 2019 19:21:01 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.59 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:21:00 -0700 (PDT) X-Inumbo-ID: 2b83019e-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=b/YV2nCBRUvj+JHalhe5VKLnhqnMLLZTxEiSQrNBGLQ=; b=LoaCL2H2RUJBCIOglYnaArkmIVWTYlGIsKjGOYisZuAUApfhu5gEmc6qkNjj0+H7tu P+8Dh9t16ihvD6gplnd7Tc9AK6ZGCZeLjxm8tt5yZaZLJjevhgAQKR5u0bAClFOVBiw3 mudk+AK8dwI6nYLVBSSjbYQjnEo/x77kPGPgsQFzLk0mY0MTwpLYueBrrkls4g4lNcFE 23WeAWQvuXbP3ljk10sU7SrPFsFGjeRWLbXNTJO4ixgqQlxC9gc1Tv3tUxDQgjI0BYi3 8BhTJVYtfR/r0jUz//rNUXMcepW6CTlPDrLR0cTlbj3o8jhk3sRuBiigNZ2CjgqdDsZo Ctuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=b/YV2nCBRUvj+JHalhe5VKLnhqnMLLZTxEiSQrNBGLQ=; b=diOk4xqHvWqDkSt7DFB0hGwkkGiYCppfqAJ1RhOiLZlceFbm6r0ssylPdaVPviYA6y suWT6lqlZNya99/a6k0e7dR+m5jkHyPioGL9GJjEPyuecmKnIv5At6tlF/saapoo+A15 9/w5YsqtpbjuSAowotv29rUczujFRE5YUKfQhXvyVqkt7IQ9h6rdRVTzTtoMb/ir5d4A JCT0NXiS/8/UX0Z4cskKexo/tZTRgUnRpcXjNMp0J8KlNduZh7Epf5kdYAVXPS0KiONv 00nJu4PxwagKMiIu/jfL6v8h5GBVKnX1GtqKoMy0MYgVw47u0O3nV5hFm4Z+CVOAU4V3 tCaQ== X-Gm-Message-State: APjAAAXETzuvhzWuQ1IfVyfwb093+5cZoMTma2rCcrx/OdID4V8VGCPz +EBeauwKTQj0r/FBMVA0yV8= X-Google-Smtp-Source: APXvYqwGNmSeCqbGUwEK1nMIVRCwdEn4NOX6aNf7I9lvnteHEiZ+Pa2UbMiy7LcaaaYIQGQbOjX2Vg== X-Received: by 2002:a17:90a:3086:: with SMTP id h6mr1977670pjb.14.1564712460540; Thu, 01 Aug 2019 19:21:00 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:20:02 -0700 Message-Id: <20190802022005.5117-32-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 31/34] nfs: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Trond Myklebust , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Anna Schumaker Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Trond Myklebust Cc: Anna Schumaker Cc: linux-nfs@vger.kernel.org Signed-off-by: John Hubbard Reviewed-by: Calum Mackay --- fs/nfs/direct.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 0cb442406168..b00b89dda3c5 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -278,9 +278,7 @@ ssize_t nfs_direct_IO(struct kiocb *iocb, struct iov_it= er *iter) =20 static void nfs_direct_release_pages(struct page **pages, unsigned int npa= ges) { - unsigned int i; - for (i =3D 0; i < npages; i++) - put_page(pages[i]); + put_user_pages(pages, npages); } =20 void nfs_init_cinfo_from_dreq(struct nfs_commit_info *cinfo, --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719356; cv=none; d=zoho.com; s=zohoarc; b=SI8lAAhYpsi4gjyNAiso44yjloIFZqlk9MzytBB0Rdsofh9SPPaDoADEeJO0QnzkWAPEeAwvdwcn6njy0PgSz4ULzvk6UiwWuJ3LdOJ2FYLWPw9xS6IwPMsOVBsJW76bIp+VaGq24xrCrkhCqlUwiEn7EaDQueePXCO32mGHXCE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719356; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=qlJu9gDhQ5lFXlRYQUvr88FIMORhVZe7OkpWvFCL3yE=; b=QDWmFoj53sqT7VxQN95zZwzjjMqM1E9OLWLRxd5fURspGMOv4HkemZkDGoBG+nXxS4q7KR2vjK7VTtVg4pvSg1pXds4azPB6/UfsQEsWP4aMGxQZMaPY2BW12kn9Xo9HG5V7sMw0aD77yDGuo61R3bsrEOn/fAGB9QjU51yTHx8= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719356339396.150521808094; Thu, 1 Aug 2019 21:15:56 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxe-0005vo-M1; Fri, 02 Aug 2019 04:14:34 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBo-0007CV-7b for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:21:04 +0000 Received: from mail-pl1-x642.google.com (unknown [2607:f8b0:4864:20::642]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2c65b25a-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:21:02 +0000 (UTC) Received: by mail-pl1-x642.google.com with SMTP id t14so32990511plr.11 for ; Thu, 01 Aug 2019 19:21:02 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.21.00 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:21:01 -0700 (PDT) X-Inumbo-ID: 2c65b25a-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=t4E5L+nteFApbv8x9BTzZhAA9CrCHyfc4N+4wDD55sE=; b=hrmJ0pEUxxlEVbmnkJiCuXB+z0obVkpM5OAxcIB8ex62qKsRGc8GrJbesoMFhr0ezJ BB7gqJEvJ/0j1sMNBYjptk6WEDqh/SuRhAh3YnXCDA+D03E9VD/w0ZTpWsRp/gFtvqDb GPSJBQRO2YGZ2n4ciW9tAFCe3EDjB9OuDXHwxqBfuLFzCDYC5sbEZNesZN0XL0xy/T+d A/rrSMYh6KaPOeAYQGAhhvKvLVo5NyuQKSBc7dnWcPrp/sW9C+D3tHmYcyJ9WgLD0vU4 zE+pn4brWMiLPK0lo9h6ZHMbPaOqGStN6e8qWC9iDeImsGRohVaoMFw5HAYT+EunHz7d Gu7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=t4E5L+nteFApbv8x9BTzZhAA9CrCHyfc4N+4wDD55sE=; b=W3lRoDxm/lRkVkX7OYD9ftX6W1nISOPpv9BzypcgbXARWpKsjHVMPjioyi80amzX13 3ODs3XJCMSaNHED+QRcdk24A9ZlV0TJ63Rle2KbbdIUQkKKCeh6nkyvk5lzGKHQ1bZrX LmsC3dMWRVRPBgEr9fdeXCC2FJMpTZOg9Cqy7H3do6vBQl3mK0/edDcQF/WwYIFMdPdU m/V1s0C4GzEBpSYqjXTMEiefETbMl2R5asy60efvBgdNSF/McYp1nW5iMLWulF8kAuwQ upW7tZt+AZz3JuNr3RHXPbpJD2ZZ4yDEEfqzzlqXyzSRHZNFKxEIrr9YGVIfN3J1F75+ Kp4g== X-Gm-Message-State: APjAAAUVyn4fusAzPiJkGsknWyJXTWNIckKIwQnb2RWaQpSIQmtIGK+M 3uZdLGraCsqz/5zF5EADDlQ= X-Google-Smtp-Source: APXvYqwMLKf8AGC5hDWCQUPLqudyxsaLfy2JXIWmRI5mzRP+HqysSD+VYVGt/11B9bnV5geCVBXglQ== X-Received: by 2002:a17:902:20ec:: with SMTP id v41mr122012162plg.142.1564712462015; Thu, 01 Aug 2019 19:21:02 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:20:03 -0700 Message-Id: <20190802022005.5117-33-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 32/34] goldfish_pipe: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Roman Kiryanov , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Note that this effectively changes the code's behavior in qp_release_pages(): it now ultimately calls set_page_dirty_lock(), instead of set_page_dirty(). This is probably more accurate. As Christophe Hellwig put it, "set_page_dirty() is only safe if we are dealing with a file backed page where we have reference on the inode it hangs off." [1] [1] https://lore.kernel.org/r/20190723153640.GB720@lst.de Cc: Greg Kroah-Hartman Cc: Roman Kiryanov Signed-off-by: John Hubbard --- drivers/platform/goldfish/goldfish_pipe.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/g= oldfish/goldfish_pipe.c index cef0133aa47a..2bd21020e288 100644 --- a/drivers/platform/goldfish/goldfish_pipe.c +++ b/drivers/platform/goldfish/goldfish_pipe.c @@ -288,15 +288,12 @@ static int pin_user_pages(unsigned long first_page, static void release_user_pages(struct page **pages, int pages_count, int is_write, s32 consumed_size) { - int i; + bool dirty =3D !is_write && consumed_size > 0; =20 - for (i =3D 0; i < pages_count; i++) { - if (!is_write && consumed_size > 0) - set_page_dirty(pages[i]); - put_page(pages[i]); - } + put_user_pages_dirty_lock(pages, pages_count, dirty); } =20 + /* Populate the call parameters, merging adjacent pages together */ static void populate_rw_params(struct page **pages, int pages_count, --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719338; cv=none; d=zoho.com; s=zohoarc; b=Q4n4ChNaoh6+IFeGy8xCK+iNd1LIFHd10tm2ngVJM8zgJku6jx5ejNhiaqLtLCTJzYCoCfkncILn248MxBpzNaNIgjY0w7Hxp5F4AxVh1vzA3KmmbUrN9yL/KMzysDQQLnUmus7mWqQ6WweL5QrJfJEr6Xr0wYIYvJ8oBVEmXok= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719338; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=/9YWVL4dJAhzGLsxJ3PRabtbfk760nBJxtteE9kWGVs=; b=M2kIQypcCWBYrlF6HAbYXqwhq7D187XlhWv5RzXx55fvSPRh8b1xwIa2vc/tPtVtWJjktcdTY7Giy/1ZctuaZuDs5Li7/WgS6nvVkAerWSJo+sofreyk/vSiOmVK07a14bLIK99bKWVVxTp75b5ejawNrZjLUctTN58B89jyOT0= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719338849272.18183224469294; Thu, 1 Aug 2019 21:15:38 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxf-0005w6-4N; Fri, 02 Aug 2019 04:14:35 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBp-0007Ck-J2 for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:21:05 +0000 Received: from mail-pf1-x443.google.com (unknown [2607:f8b0:4864:20::443]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2d711c1a-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:21:04 +0000 (UTC) Received: by mail-pf1-x443.google.com with SMTP id y15so35162990pfn.5 for ; Thu, 01 Aug 2019 19:21:04 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.21.02 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:21:03 -0700 (PDT) X-Inumbo-ID: 2d711c1a-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rv0dCo+fqAQ13SgPxACDlFOa16RsKjSPlFe+eBoZNRU=; b=FnXZWigmXks7P7vrWF7fKqdJ1mEC+gV48nu3UaSpxK4YL8v+ZyKfQNiGbSuus211Io +fy2JCOQXe0u+yVyht7IUnGNiz1ytce226/iQ1Wda7n+sWhgorrLFCh54sw2yd22N9l0 AXL2/cPWN7xjLjU338yB5B7ZEpAB76ymwzaqr46s48M64gK8WOGJ87UIWJj0TMsT00ZG rYH/3SCw5LcEELiN57lLCnYUd8Lx6hylUyDzZKFYq9GvzONQ8cx9AYXJHJgmouhXLCeg 1q2sn/m6YtRZPuqIGm/1JYTBARn6QQkL/1+apRqX4+bW7vcNXDLWp8NZbJWw7fVf637Q Jc5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rv0dCo+fqAQ13SgPxACDlFOa16RsKjSPlFe+eBoZNRU=; b=SIdW52mxYY5dVXuBrYz5Dn5tY5ejriq+NDMTgIVoa7C4cDIImuA2RG8yt2Kwlfwq1W OnihHULfwkq9IWpkYkezROC+3IhVMa2CCidSU0jjqMfIh7hxGExBMjPgPphOh/0Ng8jl Vpd9qjas0NcGKsEUQdAsvSLtFShHLVwxxiegmzELDzdJis/SzZdRncV7uNSwP3v30xf4 k0o1ym2xfnqCZJ1vXl4Z5oUuLv4dgaQg2l5JlMJTP92LH8u+jsWBAheZUMg35IXGuaaj ApTuw1yDFuLqq4bRwghQ0Tvuce013E6m3s18Hly3AqKH0NXlgb65NsWFNRAZf64OxFXE AtLg== X-Gm-Message-State: APjAAAUoBqZZNx2ctD7ZuGAMkRikE2ev5FFBTL0lpp8EnyQ33ImXmTrY La3Xdl/nKGykzfsIIa5h/ZQ= X-Google-Smtp-Source: APXvYqw6pZRI02L0RsJ0l51BCisQWQi/OHFOULF/U1jaQbwym1DWFopp5ASpqFdR23hpYNhrKVILMg== X-Received: by 2002:a17:90a:bf92:: with SMTP id d18mr1939362pjs.128.1564712463758; Thu, 01 Aug 2019 19:21:03 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:20:04 -0700 Message-Id: <20190802022005.5117-34-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 33/34] kernel/events/core.c: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, Jiri Olsa , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, Arnaldo Carvalho de Melo , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Namhyung Kim , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , Alexander Shishkin , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Signed-off-by: John Hubbard --- kernel/events/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index 0463c1151bae..7be52bbbfe87 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6426,7 +6426,7 @@ static u64 perf_virt_to_phys(u64 virt) phys_addr =3D page_to_phys(p) + virt % PAGE_SIZE; =20 if (p) - put_page(p); + put_user_page(p); } =20 return phys_addr; --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel From nobody Tue May 7 13:29:09 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564719343; cv=none; d=zoho.com; s=zohoarc; b=ZZ/AOHISg/FPgwDFeA4Q/SVCmNDSbODp2DD5sywGNf5QGDcKr+h0vse0M58R9jNBZ9mumn3mIaj0zffIv2nk9STwjFCXgPIIOScztyzzcyK3skVbIAjIc6UPE7p8J6+O81zw9V+mu1xLFSQbVZoXR3IqkzC5zmyOxOhuxLq/0Co= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564719343; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=Hiej8qcfw2bdL6pVsRjVb+TBkF1n7jCAszGBydoJcfY=; b=DvOdTgEdEG2sfMIQSmaZy4sVCPP1/gi5hZNSIz+b6vtf9RMg2eVH2d3O1+fUiCI+bK5LEVGJEvlNxDHSZKIugtvgM+0joFC9RGJpGW1fJxWJzI3dNAwwUPd53B7wiSImG1Q8NLv9tKOfDwXPzOZDC+wd5pSSiUXWyYd9if6IINk= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564719343637394.8195963796486; Thu, 1 Aug 2019 21:15:43 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxf-0005wn-M8; Fri, 02 Aug 2019 04:14:35 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBq-0007Cu-W1 for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:21:07 +0000 Received: from mail-pf1-x442.google.com (unknown [2607:f8b0:4864:20::442]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2e4e4389-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:21:05 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id c3so12017005pfa.13 for ; Thu, 01 Aug 2019 19:21:05 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.21.03 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:21:04 -0700 (PDT) X-Inumbo-ID: 2e4e4389-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cegKTIaYJ+tSle0YiC1yJpybmvJrVZXG5Xryw9OToL0=; b=DBN1w3/7Hxm2aTYhnTNoj1HADN0/qC4HQ/EIZkVxJXA/K2S11Q3/N9TAattYeDs6aQ J+nm7tV2AKcpGrK2TkCrU1wyclxrRwBj4vymoXpkg4vkH9XlaJfQ55nzl3mveOP2o9MV NUxRk2vipQv8FWXVtFS9aXrUBeQOuTE0Ko4oz4Isj8tPzLI9EqzmjnQsyBDLHQ25vBM5 q3jhgaW+xd3z7DYehUibJdxR/1EjTpgU+Bek0hJIqh1wGhpzFJhljWoUMm0t5/61KoNk q3ATC6nVfWca/Nm/vukTsQm8ST5Kyw83g7ix2hN//xECaTu+OgVyIUA+IQWq3fIPa/3T uZLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cegKTIaYJ+tSle0YiC1yJpybmvJrVZXG5Xryw9OToL0=; b=czkjf4JpgeXObxh0YYt5Th9R3CRQm69pA++4j4LlPuh5eJ+kjqEph2b4yeCIyj3AuA qeB++nWYWjB3Wc3j4KFTjmd6r604g7tGqggfCofjCAtNnw1hTiXixgVnVsgx+oksCwne o1+vlMJ8CMlWy8pCAs9ZLQBSHqD6RGm7RlLThEo2Mf7GISbqbzfnSaHnuLpfCTgh0IzI aUtfW/bjXan6fskiJ7BlbX+hNMeq0Ki+1K644fMZqAetccJDVhVAuUl10Zrlke9uOPen nv3vUOqRGf8q2+v03uc3fxteIpVZ+0xLfNcLUXdk527LAQd9VeC7hdo+8ovSfqY+wLe9 tE2w== X-Gm-Message-State: APjAAAWRW60coCjE+0nALZ/+yZrVIzk8uv44cBtK80SAuWJJaNIMEBKv +TXDfXM5DJdNMr3+maRqC1M= X-Google-Smtp-Source: APXvYqyVNDRGKP1+FIQlU/b+5yAYmGOv3Rdk0fT5tiuKvQ+opVgMWL9GCqpjN6ICYNfQCU9j4FRWrg== X-Received: by 2002:a17:90a:338b:: with SMTP id n11mr1859934pjb.21.1564712465215; Thu, 01 Aug 2019 19:21:05 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:20:05 -0700 Message-Id: <20190802022005.5117-35-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 34/34] fs/binfmt_elf: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Ira Weiny For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). get_dump_page calls get_user_page so put_user_page must be used to match. Signed-off-by: Ira Weiny Signed-off-by: John Hubbard --- fs/binfmt_elf.c | 2 +- fs/binfmt_elf_fdpic.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index d4e11b2e04f6..92e4a5ca99d8 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -2377,7 +2377,7 @@ static int elf_core_dump(struct coredump_params *cprm) void *kaddr =3D kmap(page); stop =3D !dump_emit(cprm, kaddr, PAGE_SIZE); kunmap(page); - put_page(page); + put_user_page(page); } else stop =3D !dump_skip(cprm, PAGE_SIZE); if (stop) diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index d86ebd0dcc3d..321724b3be22 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -1511,7 +1511,7 @@ static bool elf_fdpic_dump_segments(struct coredump_p= arams *cprm) void *kaddr =3D kmap(page); res =3D dump_emit(cprm, kaddr, PAGE_SIZE); kunmap(page); - put_page(page); + put_user_page(page); } else { res =3D dump_skip(cprm, PAGE_SIZE); } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel