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[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