Message ID | 20191216222537.491123-18-jhubbard@nvidia.com (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show
Return-Path: <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 47cH8S4qd5z9sPh for <patchwork-incoming@ozlabs.org>; Tue, 17 Dec 2019 10:11:36 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.b="HJKa2G72"; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47cH8S2ysmzDqCY for <patchwork-incoming@ozlabs.org>; Tue, 17 Dec 2019 10:11:36 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nvidia.com (client-ip=216.228.121.143; helo=hqnvemgate24.nvidia.com; envelope-from=jhubbard@nvidia.com; receiver=<UNKNOWN>) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=nvidia.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.b="HJKa2G72"; dkim-atps=neutral Received: from hqnvemgate24.nvidia.com (hqnvemgate24.nvidia.com [216.228.121.143]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 47cG7x2Vt6zDqRR for <linuxppc-dev@lists.ozlabs.org>; Tue, 17 Dec 2019 09:26:01 +1100 (AEDT) Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id <B5df8044a0002>; Mon, 16 Dec 2019 14:25:14 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Mon, 16 Dec 2019 14:25:41 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Mon, 16 Dec 2019 14:25:41 -0800 Received: from HQMAIL105.nvidia.com (172.20.187.12) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 16 Dec 2019 22:25:41 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 16 Dec 2019 22:25:40 +0000 Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id <B5df804640009>; Mon, 16 Dec 2019 14:25:40 -0800 From: John Hubbard <jhubbard@nvidia.com> To: Andrew Morton <akpm@linux-foundation.org> Subject: [PATCH v11 17/25] media/v4l2-core: set pages dirty upon releasing DMA buffers Date: Mon, 16 Dec 2019 14:25:29 -0800 Message-ID: <20191216222537.491123-18-jhubbard@nvidia.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191216222537.491123-1-jhubbard@nvidia.com> References: <20191216222537.491123-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1576535114; bh=ih2RO+T8DQuTrGlz/x5x738AinQPu7ycFnqRacKU5Ds=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:X-NVConfidentiality: Content-Transfer-Encoding:Content-Type; b=HJKa2G72FcQuhTQJ0lZuWCjkYujvexVO1EnKEkHRidK/EUwXZMWz8Hsbwd5b/CNWT U8GpRhY21I0zmMF/Nk/Yu5NxBrGR0d+ksMEmIHnXK1SJwezw6ZVjuShMC+4A/AC+M7 d7diItZZH5C+UUSKDbySYGgm2WszHJPVhrO9bAN828EFg85AjozPnSKgQkZyOlT78m pSD9wcKrGBXR+pMFGxsZW3TW8YV08EqK9c7cB5nEyO8Xyi4uesaqgvpLs/aVOMJYuX XUp22cpPNOyCkovC8kPESB/pJkd/ThCbIDMSXltk8V3x6RIZP/xelq4guwjaps7ku5 XTA3lc3aRbYpg== X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Cc: Michal Hocko <mhocko@suse.com>, Jan Kara <jack@suse.cz>, kvm@vger.kernel.org, linux-doc@vger.kernel.org, David Airlie <airlied@linux.ie>, Dave Chinner <david@fromorbit.com>, dri-devel@lists.freedesktop.org, LKML <linux-kernel@vger.kernel.org>, linux-mm@kvack.org, Paul Mackerras <paulus@samba.org>, linux-kselftest@vger.kernel.org, Ira Weiny <ira.weiny@intel.com>, Christoph Hellwig <hch@lst.de>, Jonathan Corbet <corbet@lwn.net>, linux-rdma@vger.kernel.org, Christoph Hellwig <hch@infradead.org>, Jason Gunthorpe <jgg@ziepe.ca>, Vlastimil Babka <vbabka@suse.cz>, =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= <bjorn.topel@intel.com>, linux-media@vger.kernel.org, Shuah Khan <shuah@kernel.org>, John Hubbard <jhubbard@nvidia.com>, linux-block@vger.kernel.org, Hans Verkuil <hverkuil-cisco@xs4all.nl>, =?utf-8?b?SsOpcsO0bWUgR2xp?= =?utf-8?q?sse?= <jglisse@redhat.com>, Al Viro <viro@zeniv.linux.org.uk>, Dan Williams <dan.j.williams@intel.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Magnus Karlsson <magnus.karlsson@intel.com>, Jens Axboe <axboe@kernel.dk>, netdev@vger.kernel.org, Alex Williamson <alex.williamson@redhat.com>, stable@vger.kernel.org, Daniel Vetter <daniel@ffwll.ch>, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "David S . Miller" <davem@davemloft.net>, Mike Kravetz <mike.kravetz@oracle.com> Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> |
Series |
mm/gup: track dma-pinned pages: FOLL_PIN
|
expand
|
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (270c0c3e491684893e7250f6c32f4f2eb2e4c3b2) |
snowpatch_ozlabs/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 12 lines checked |
diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c index 66a6c6c236a7..28262190c3ab 100644 --- a/drivers/media/v4l2-core/videobuf-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf-dma-sg.c @@ -349,8 +349,11 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma) BUG_ON(dma->sglen); if (dma->pages) { - for (i = 0; i < dma->nr_pages; i++) + for (i = 0; i < dma->nr_pages; i++) { + if (dma->direction == DMA_FROM_DEVICE) + set_page_dirty_lock(dma->pages[i]); put_page(dma->pages[i]); + } kfree(dma->pages); dma->pages = NULL; }