From patchwork Wed Aug 7 01:33:01 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: 11080015 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 A9A811399 for ; Wed, 7 Aug 2019 01:35:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 98BBF2858E for ; Wed, 7 Aug 2019 01:35:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8C3742887D; Wed, 7 Aug 2019 01:35:35 +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=-5.0 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 318B32858E for ; Wed, 7 Aug 2019 01:35:35 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hvApr-0000NS-BF; Wed, 07 Aug 2019 01:33:51 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hvApp-0000MX-93 for xen-devel@lists.xenproject.org; Wed, 07 Aug 2019 01:33:49 +0000 X-Inumbo-ID: 67485a80-b8b3-11e9-8980-bc764e045a96 Received: from mail-pl1-x644.google.com (unknown [2607:f8b0:4864:20::644]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 67485a80-b8b3-11e9-8980-bc764e045a96; Wed, 07 Aug 2019 01:33:48 +0000 (UTC) Received: by mail-pl1-x644.google.com with SMTP id a93so38527261pla.7 for ; Tue, 06 Aug 2019 18:33:48 -0700 (PDT) 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=SsIRGkPWeq5HvTZzTxF/TGZYHjIKFiRIBMhKcsnvtic=; b=oy39nkO9q1zN/Pd7fO3C4Y4Vuneozl9x+qPetN0JbILtppFPMIJXMHmaepq54m3Jyf dGw1nmQHR/jSbWupXGSsRUasNJHlcTqjhcU1O3ugIdE2PmE9G2UKn/efT28f7zQkZ/Ek 6jjzfDGA5QraOK0hXzeRVBVVIV3bR/w8Kh69UQWoMH+W+Rs7nDww5sxmxjDiUlnV+Y3J JNNDHJK/Y4qoZIHDRhd8qo6y5WM/sdBlLMt8Tk0CmXA/ZqUqxMK+oSWhp+t1g0ER8Qps 3F4GSUTyaFhoBkjoAMVyL8y9bOwlhzuxjjb1EKe6sSD4G4rjFtE3kxZ1sD03IRQMEghY QO3A== 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=SsIRGkPWeq5HvTZzTxF/TGZYHjIKFiRIBMhKcsnvtic=; b=ZLkwebzBYFmgvcdR5QcLyH6M6A7gexvZBtUtWIXZ5R1PGZ39hIbCntTV9eRKhPknFw tyleLdv2wKb2qVco8vDV5MJYk0w1Gpo07o8A4OY1aJCdhbSEte4PC/T3QLgO2zxFVzjr vz6w9KXxKfId6fN/0rSC9hBnk9luUMHrnNydFP2QNNhdirYuGD9CC4URI1N0JBWONRLd 85WoAenUjK+oBv3v/zjANR/zgBs0LvVlGQ9GYSp34MeTW/wTzX2kLa5CTcZQP0A19L30 3YfvnnHTNCHO5Hu+Ww8n/IhE7qh9R8CsyH2u34IJ+ow8+HC9cD3ASramfNl+dk3k5aGZ e4dA== X-Gm-Message-State: APjAAAUJPNp1KLFeFU6wphfFYVNyPJiLkgq003k7W9YeOUWke4wrpKkj LUEZLeRAASmPGDV07mR8xrg= X-Google-Smtp-Source: APXvYqxzrRdxX4nRlyikVVwrMH2CyIAMqdQl6neWQaDEBd9Z3PCuWH0kRX4lRsXl8HO2TxD71Nthng== X-Received: by 2002:a17:902:1122:: with SMTP id d31mr172269pla.254.1565141627872; Tue, 06 Aug 2019 18:33:47 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u69sm111740800pgu.77.2019.08.06.18.33.46 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 06 Aug 2019 18:33:47 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Tue, 6 Aug 2019 18:33:01 -0700 Message-Id: <20190807013340.9706-3-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 02/41] drivers/gpu/drm/via: 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, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , 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, Daniel Vetter , linux-fsdevel@vger.kernel.org Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" 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"). Also reverse the order of a comparison, in order to placate checkpatch.pl. Cc: David Airlie Cc: Daniel Vetter Cc: dri-devel@lists.freedesktop.org Signed-off-by: John Hubbard --- drivers/gpu/drm/via/via_dmablit.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c index 062067438f1d..b5b5bf0ba65e 100644 --- a/drivers/gpu/drm/via/via_dmablit.c +++ b/drivers/gpu/drm/via/via_dmablit.c @@ -171,7 +171,6 @@ via_map_blit_for_device(struct pci_dev *pdev, static void via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg) { - struct page *page; int i; switch (vsg->state) { @@ -186,13 +185,8 @@ via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg) kfree(vsg->desc_pages); /* fall through */ case dr_via_pages_locked: - for (i = 0; i < vsg->num_pages; ++i) { - if (NULL != (page = vsg->pages[i])) { - if (!PageReserved(page) && (DMA_FROM_DEVICE == vsg->direction)) - SetPageDirty(page); - put_page(page); - } - } + put_user_pages_dirty_lock(vsg->pages, vsg->num_pages, + (vsg->direction == DMA_FROM_DEVICE)); /* fall through */ case dr_via_pages_alloc: vfree(vsg->pages);