From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Hubbard Subject: [PATCH 14/19] media/v4l2-core: set pages dirty upon releasing DMA buffers Date: Sun, 24 Nov 2019 20:20:06 -0800 Message-ID: <20191125042011.3002372-15-jhubbard@nvidia.com> References: <20191125042011.3002372-1-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 8F44489DE3 for ; Mon, 25 Nov 2019 04:20:15 +0000 (UTC) In-Reply-To: <20191125042011.3002372-1-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 , Christoph Hellwig , 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?= List-Id: dri-devel@lists.freedesktop.org QWZ0ZXIgRE1BIGlzIGNvbXBsZXRlLCBhbmQgdGhlIGRldmljZSBhbmQgQ1BVIGNhY2hlcyBhcmUg c3luY2hyb25pemVkLAppdCdzIHN0aWxsIHJlcXVpcmVkIHRvIG1hcmsgdGhlIENQVSBwYWdlcyBh cyBkaXJ0eSwgaWYgdGhlIGRhdGEgd2FzCmNvbWluZyBmcm9tIHRoZSBkZXZpY2UuIEhvd2V2ZXIs IHRoaXMgZHJpdmVyIHdhcyBqdXN0IGlzc3VpbmcgYQpiYXJlIHB1dF9wYWdlKCkgY2FsbCwgd2l0 aG91dCBhbnkgc2V0X3BhZ2VfZGlydHkqKCkgY2FsbC4KCkZpeCB0aGUgcHJvYmxlbSwgYnkgY2Fs bGluZyBzZXRfcGFnZV9kaXJ0eV9sb2NrKCkgaWYgdGhlIENQVSBwYWdlcwp3ZXJlIHBvdGVudGlh bGx5IHJlY2VpdmluZyBkYXRhIGZyb20gdGhlIGRldmljZS4KClJldmlld2VkLWJ5OiBDaHJpc3Rv cGggSGVsbHdpZyA8aGNoQGxzdC5kZT4KQWNrZWQtYnk6IEhhbnMgVmVya3VpbCA8aHZlcmt1aWwt Y2lzY29AeHM0YWxsLm5sPgpDYzogTWF1cm8gQ2FydmFsaG8gQ2hlaGFiIDxtY2hlaGFiQGtlcm5l bC5vcmc+CkNjOiA8c3RhYmxlQHZnZXIua2VybmVsLm9yZz4KU2lnbmVkLW9mZi1ieTogSm9obiBI dWJiYXJkIDxqaHViYmFyZEBudmlkaWEuY29tPgotLS0KIGRyaXZlcnMvbWVkaWEvdjRsMi1jb3Jl L3ZpZGVvYnVmLWRtYS1zZy5jIHwgNSArKysrLQogMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9u cygrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvbWVkaWEvdjRsMi1jb3Jl L3ZpZGVvYnVmLWRtYS1zZy5jIGIvZHJpdmVycy9tZWRpYS92NGwyLWNvcmUvdmlkZW9idWYtZG1h LXNnLmMKaW5kZXggNjZhNmM2YzIzNmE3Li4yODI2MjE5MGMzYWIgMTAwNjQ0Ci0tLSBhL2RyaXZl cnMvbWVkaWEvdjRsMi1jb3JlL3ZpZGVvYnVmLWRtYS1zZy5jCisrKyBiL2RyaXZlcnMvbWVkaWEv djRsMi1jb3JlL3ZpZGVvYnVmLWRtYS1zZy5jCkBAIC0zNDksOCArMzQ5LDExIEBAIGludCB2aWRl b2J1Zl9kbWFfZnJlZShzdHJ1Y3QgdmlkZW9idWZfZG1hYnVmICpkbWEpCiAJQlVHX09OKGRtYS0+ c2dsZW4pOwogCiAJaWYgKGRtYS0+cGFnZXMpIHsKLQkJZm9yIChpID0gMDsgaSA8IGRtYS0+bnJf cGFnZXM7IGkrKykKKwkJZm9yIChpID0gMDsgaSA8IGRtYS0+bnJfcGFnZXM7IGkrKykgeworCQkJ aWYgKGRtYS0+ZGlyZWN0aW9uID09IERNQV9GUk9NX0RFVklDRSkKKwkJCQlzZXRfcGFnZV9kaXJ0 eV9sb2NrKGRtYS0+cGFnZXNbaV0pOwogCQkJcHV0X3BhZ2UoZG1hLT5wYWdlc1tpXSk7CisJCX0K IAkJa2ZyZWUoZG1hLT5wYWdlcyk7CiAJCWRtYS0+cGFnZXMgPSBOVUxMOwogCX0KLS0gCjIuMjQu MAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRl dmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E4E8C33C9E for ; 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Miller" , Mike Kravetz Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Message-ID: <20191125042006.0x7CoGAeouvV0V6AGF553_wmkKXWCChLWRSM-E6GXQA@z> QWZ0ZXIgRE1BIGlzIGNvbXBsZXRlLCBhbmQgdGhlIGRldmljZSBhbmQgQ1BVIGNhY2hlcyBhcmUg c3luY2hyb25pemVkLAppdCdzIHN0aWxsIHJlcXVpcmVkIHRvIG1hcmsgdGhlIENQVSBwYWdlcyBh cyBkaXJ0eSwgaWYgdGhlIGRhdGEgd2FzCmNvbWluZyBmcm9tIHRoZSBkZXZpY2UuIEhvd2V2ZXIs IHRoaXMgZHJpdmVyIHdhcyBqdXN0IGlzc3VpbmcgYQpiYXJlIHB1dF9wYWdlKCkgY2FsbCwgd2l0 aG91dCBhbnkgc2V0X3BhZ2VfZGlydHkqKCkgY2FsbC4KCkZpeCB0aGUgcHJvYmxlbSwgYnkgY2Fs bGluZyBzZXRfcGFnZV9kaXJ0eV9sb2NrKCkgaWYgdGhlIENQVSBwYWdlcwp3ZXJlIHBvdGVudGlh bGx5IHJlY2VpdmluZyBkYXRhIGZyb20gdGhlIGRldmljZS4KClJldmlld2VkLWJ5OiBDaHJpc3Rv cGggSGVsbHdpZyA8aGNoQGxzdC5kZT4KQWNrZWQtYnk6IEhhbnMgVmVya3VpbCA8aHZlcmt1aWwt Y2lzY29AeHM0YWxsLm5sPgpDYzogTWF1cm8gQ2FydmFsaG8gQ2hlaGFiIDxtY2hlaGFiQGtlcm5l bC5vcmc+CkNjOiA8c3RhYmxlQHZnZXIua2VybmVsLm9yZz4KU2lnbmVkLW9mZi1ieTogSm9obiBI dWJiYXJkIDxqaHViYmFyZEBudmlkaWEuY29tPgotLS0KIGRyaXZlcnMvbWVkaWEvdjRsMi1jb3Jl L3ZpZGVvYnVmLWRtYS1zZy5jIHwgNSArKysrLQogMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9u cygrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvbWVkaWEvdjRsMi1jb3Jl L3ZpZGVvYnVmLWRtYS1zZy5jIGIvZHJpdmVycy9tZWRpYS92NGwyLWNvcmUvdmlkZW9idWYtZG1h LXNnLmMKaW5kZXggNjZhNmM2YzIzNmE3Li4yODI2MjE5MGMzYWIgMTAwNjQ0Ci0tLSBhL2RyaXZl cnMvbWVkaWEvdjRsMi1jb3JlL3ZpZGVvYnVmLWRtYS1zZy5jCisrKyBiL2RyaXZlcnMvbWVkaWEv djRsMi1jb3JlL3ZpZGVvYnVmLWRtYS1zZy5jCkBAIC0zNDksOCArMzQ5LDExIEBAIGludCB2aWRl b2J1Zl9kbWFfZnJlZShzdHJ1Y3QgdmlkZW9idWZfZG1hYnVmICpkbWEpCiAJQlVHX09OKGRtYS0+ c2dsZW4pOwogCiAJaWYgKGRtYS0+cGFnZXMpIHsKLQkJZm9yIChpID0gMDsgaSA8IGRtYS0+bnJf cGFnZXM7IGkrKykKKwkJZm9yIChpID0gMDsgaSA8IGRtYS0+bnJfcGFnZXM7IGkrKykgeworCQkJ aWYgKGRtYS0+ZGlyZWN0aW9uID09IERNQV9GUk9NX0RFVklDRSkKKwkJCQlzZXRfcGFnZV9kaXJ0 eV9sb2NrKGRtYS0+cGFnZXNbaV0pOwogCQkJcHV0X3BhZ2UoZG1hLT5wYWdlc1tpXSk7CisJCX0K IAkJa2ZyZWUoZG1hLT5wYWdlcyk7CiAJCWRtYS0+cGFnZXMgPSBOVUxMOwogCX0KLS0gCjIuMjQu MAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRl dmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs