From: John Hubbard Subject: [PATCH v6 08/24] media/v4l2-core: set pages dirty upon releasing DMA buffers Date: Tue, 19 Nov 2019 00:16:27 -0800 Message-ID: <20191119081643.1866232-9-jhubbard@nvidia.com> References: <20191119081643.1866232-1-jhubbard@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from hqemgate15.nvidia.com (hqemgate15.nvidia.com [216.228.121.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id 86EBE6EC7D for ; Tue, 19 Nov 2019 08:16:57 +0000 (UTC) In-Reply-To: <20191119081643.1866232-1-jhubbard@nvidia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Andrew Morton Cc: Michal Hocko , Jan Kara , kvm@vger.kernel.org, linux-doc@vger.kernel.org, David Airlie , Dave Chinner , dri-devel@lists.freedesktop.org, LKML , linux-mm@kvack.org, Paul Mackerras , linux-kselftest@vger.kernel.org, Ira Weiny , Jonathan Corbet , linux-rdma@vger.kernel.org, Michael Ellerman , Christoph Hellwig , Jason Gunthorpe , Vlastimil Babka , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , linux-media@vger.kernel.org, Shuah Khan , John Hubbard , linux-block@vger.kernel.org, Hans Verkuil , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Al Viro List-Id: dri-devel@lists.freedesktop.org QWZ0ZXIgRE1BIGlzIGNvbXBsZXRlLCBhbmQgdGhlIGRldmljZSBhbmQgQ1BVIGNhY2hlcyBhcmUg c3luY2hyb25pemVkLAppdCdzIHN0aWxsIHJlcXVpcmVkIHRvIG1hcmsgdGhlIENQVSBwYWdlcyBh cyBkaXJ0eSwgaWYgdGhlIGRhdGEgd2FzCmNvbWluZyBmcm9tIHRoZSBkZXZpY2UuIEhvd2V2ZXIs IHRoaXMgZHJpdmVyIHdhcyBqdXN0IGlzc3VpbmcgYQpiYXJlIHB1dF9wYWdlKCkgY2FsbCwgd2l0 aG91dCBhbnkgc2V0X3BhZ2VfZGlydHkqKCkgY2FsbC4KCkZpeCB0aGUgcHJvYmxlbSwgYnkgY2Fs bGluZyBzZXRfcGFnZV9kaXJ0eV9sb2NrKCkgaWYgdGhlIENQVSBwYWdlcwp3ZXJlIHBvdGVudGlh bGx5IHJlY2VpdmluZyBkYXRhIGZyb20gdGhlIGRldmljZS4KCkFja2VkLWJ5OiBIYW5zIFZlcmt1 aWwgPGh2ZXJrdWlsLWNpc2NvQHhzNGFsbC5ubD4KQ2M6IE1hdXJvIENhcnZhbGhvIENoZWhhYiA8 bWNoZWhhYkBrZXJuZWwub3JnPgpTaWduZWQtb2ZmLWJ5OiBKb2huIEh1YmJhcmQgPGpodWJiYXJk QG52aWRpYS5jb20+Ci0tLQogZHJpdmVycy9tZWRpYS92NGwyLWNvcmUvdmlkZW9idWYtZG1hLXNn LmMgfCA1ICsrKystCiAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9u KC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9tZWRpYS92NGwyLWNvcmUvdmlkZW9idWYtZG1hLXNn LmMgYi9kcml2ZXJzL21lZGlhL3Y0bDItY29yZS92aWRlb2J1Zi1kbWEtc2cuYwppbmRleCA2NmE2 YzZjMjM2YTcuLjI4MjYyMTkwYzNhYiAxMDA2NDQKLS0tIGEvZHJpdmVycy9tZWRpYS92NGwyLWNv cmUvdmlkZW9idWYtZG1hLXNnLmMKKysrIGIvZHJpdmVycy9tZWRpYS92NGwyLWNvcmUvdmlkZW9i dWYtZG1hLXNnLmMKQEAgLTM0OSw4ICszNDksMTEgQEAgaW50IHZpZGVvYnVmX2RtYV9mcmVlKHN0 cnVjdCB2aWRlb2J1Zl9kbWFidWYgKmRtYSkKIAlCVUdfT04oZG1hLT5zZ2xlbik7CiAKIAlpZiAo ZG1hLT5wYWdlcykgewotCQlmb3IgKGkgPSAwOyBpIDwgZG1hLT5ucl9wYWdlczsgaSsrKQorCQlm b3IgKGkgPSAwOyBpIDwgZG1hLT5ucl9wYWdlczsgaSsrKSB7CisJCQlpZiAoZG1hLT5kaXJlY3Rp b24gPT0gRE1BX0ZST01fREVWSUNFKQorCQkJCXNldF9wYWdlX2RpcnR5X2xvY2soZG1hLT5wYWdl c1tpXSk7CiAJCQlwdXRfcGFnZShkbWEtPnBhZ2VzW2ldKTsKKwkJfQogCQlrZnJlZShkbWEtPnBh Z2VzKTsKIAkJZG1hLT5wYWdlcyA9IE5VTEw7CiAJfQotLSAKMi4yNC4wCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0 CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWw=