From patchwork Sun Aug 4 22:48:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: john.hubbard@gmail.com X-Patchwork-Id: 11085773 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 45E351850 for ; Fri, 9 Aug 2019 09:16:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 340AB28B38 for ; Fri, 9 Aug 2019 09:16:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2719228C3E; Fri, 9 Aug 2019 09:16:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D33A328B38 for ; Fri, 9 Aug 2019 09:16:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7AD096ED63; Fri, 9 Aug 2019 09:15:49 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by gabe.freedesktop.org (Postfix) with ESMTPS id 88B998946E; Sun, 4 Aug 2019 22:49:43 +0000 (UTC) Received: by mail-pf1-x441.google.com with SMTP id c3so15459418pfa.13; Sun, 04 Aug 2019 15:49:43 -0700 (PDT) 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=dqkY2xNTz21A2YKbruvurR6dThTCjmMucbLuL2GJ2dwdOe2p44GJLBJ1IsVVYPag8z /FvlSrsNrKs1fctr56d6vP/rKwEonP7uLG6+LnJrAnhgmiE0O43VkxVykNvp1fahsHdx vjvkDtXbqAo1/DQkg/zGaTQCKh24A9cBw4Ei1g9BBBtuxjXi8WH9hRza5i8gisKiqzRS zBXz02/YyVlpSr7q2HWYnMSaUlZZZFImr1gO4GXcwxxR9TN8kWi5Q5bK/rzCiDsbuwTl e1UyDpXKZd7Q3GQsb2cfkhQC74Bun2doAf0ZM9PgsqXYCPWoW8ib7pn1aRRFKvVxAtjQ iR3w== X-Gm-Message-State: APjAAAUPfDQ3XkAepN0heVxSTqoXLyBawL1ame0RoqrL1w1vj9dDQBG/ 6TVsqYZu81mnkv03JIgueJk= X-Google-Smtp-Source: APXvYqyPw77rNCbZJ7kQ+m4UN8hP7cU/4bhOvRnVoHevKNRjma2a+EIazJKEeGo0aqshVanFUuFV/w== X-Received: by 2002:aa7:8acb:: with SMTP id b11mr67847354pfd.109.1564958983244; Sun, 04 Aug 2019 15:49:43 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.41 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:42 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:48:56 -0700 Message-Id: <20190804224915.28669-16-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 09 Aug 2019 09:15:45 +0000 X-Mailman-Original-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=JnEMIs3nTK87TbKIsk78nYiw0PTY0ejtc4/1iVy6auz4dRHpNyRxFRwH1QA1daWzTN aXj9jYYTXz8+AYgGcMfTPEBfeFGtB4kpRaO8Pk0E6cwtra6dbEcp5zLBIuE/7ypkwlfT SpsJZfWDoouD9Zux+JSra/B270Q5FO6OQn2iMY62H9YA77q4YnCIt/dO49LC8oE1+DV3 b+TloTS62XLmGXLlvmUrAcvGMvg3D8t/Jyb83QK6eNN0dmLM2VXZUouulBv1uv5lB+bU bCC0pVKtYc9eHNJ+luk9voAPhlxcPRRn3LwajJw/0mnVI63KipX9TSVsdQUN1tD1p56o UI1Q== Subject: [Intel-gfx] [PATCH v2 15/34] staging/vc04_services: convert put_page() to put_user_page*() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: 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?b?SsOpcsO0bWUgR2xpc3Nl?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Sidong Yang , 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, Al Viro Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP 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 Acked-by: Stefan Wahren --- .../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_arm.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 *pagelistinfo) } if (pagelistinfo->pages_need_release) { - unsigned int i; - - for (i = 0; i < pagelistinfo->num_pages; i++) - put_page(pagelistinfo->pages[i]); + put_user_pages(pagelistinfo->pages, pagelistinfo->num_pages); } dma_free_coherent(g_dev, pagelistinfo->pagelist_buffer_size, @@ -454,10 +451,7 @@ create_pagelist(char __user *buf, size_t count, unsigned short type) __func__, actual_pages, num_pages); /* 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; }