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[216.228.112.21]) by smtp.gmail.com with ESMTPSA id u69sm111740800pgu.77.2019.08.06.18.34.10 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 06 Aug 2019 18:34:11 -0700 (PDT) X-Inumbo-ID: 75a14a10-b8b3-11e9-8980-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=JsaN0a6ImilSblrGqgWWjtVL4aaUVqoBD3LMggUShuU=; b=GqUNc3X3RUD+fMQ/tQov0eVptsX6vtpAZn07Fz7EwuEqRFmPs6eCUIqWfymN9U5tJQ Hp7GWk6oPhSKnPDc9mTSSc0b1ETtX6WZgNyVT9i/ZAc9DVX2wgidQTYQD678snuo6Uld OC0AxpA2rwU9kzsgxg4J7222NtI9nwWIQ3kKBxRvKJz1x31XBYs72NYIFgvDtQhOtH6x c30ljXQcc0npojtfiU8d5Zil2HhFRjkicdzBOPLsXrn4hkS7yUXDhahjzIOv/1HcFIxR 8vAP8M1yLlIpgKytXt/GLUCaDmX+n+gX0JAtjCLQsjpUrzEN6iMEgLfOxOdX4VT9I1MD gqwg== 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=JsaN0a6ImilSblrGqgWWjtVL4aaUVqoBD3LMggUShuU=; b=qPQ+FruaQMfpHXvsKL1exGTnlIcPX0x17FD4OA2L96AKukXZSU+oacfixcETkeXnAL wJiwkhqjW0awCAH3NlE5aLgdnLP5V3T5xIMDD+qSvzA5CiClLq3rZr3EpyKjRUrAURAw FQdxWGFD9RJlnwvlHyBhgGZ9uM1TREuio8G3lIz6W+mi7s0QOlCc25sJK/KDptSXXzUJ UJfaoy3uowKalkcslx4WSGeXTlJjFf/w9QUMZAKjTGMFH3H0pvMSYCfos6IeCPnKT+kx klpZ0/OLsE3odvNSpw8geHbRXH6eZLqRC7eltcsCpaTtRr5eP31bN0FhvQeNsRkhp/o7 yhqQ== X-Gm-Message-State: APjAAAVVqTtz7aet8loO4ChEAYUBow7p9KsDM31M3c+wZMgUG6Zhaher 7pRqnk/pTnsmqzpMzBz261k= X-Google-Smtp-Source: APXvYqxA3xyoDOQ03wz3+MrAsxUgDjCiiP1q/97dVlMDAvCMqLwWlj7LgNPejGHFGrv69vRcUlGBpA== X-Received: by 2002:a63:3112:: with SMTP id x18mr5571166pgx.385.1565141652072; Tue, 06 Aug 2019 18:34:12 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Tue, 6 Aug 2019 18:33:16 -0700 Message-Id: <20190807013340.9706-18-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190807013340.9706-1-jhubbard@nvidia.com> References: <20190807013340.9706-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v3 17/41] 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"). Acked-by: Greg Kroah-Hartman 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 --- .../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