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 951C7CA9ECB for ; Thu, 31 Oct 2019 09:05:28 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6EF032083E for ; Thu, 31 Oct 2019 09:05:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6EF032083E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9E4C56EDE2; Thu, 31 Oct 2019 09:04:47 +0000 (UTC) Received: from hqemgate14.nvidia.com (hqemgate14.nvidia.com [216.228.121.143]) by gabe.freedesktop.org (Postfix) with ESMTPS id 580566EBB5 for ; Wed, 30 Oct 2019 22:49:52 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Wed, 30 Oct 2019 15:49:57 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Wed, 30 Oct 2019 15:49:51 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Wed, 30 Oct 2019 15:49:51 -0700 Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 30 Oct 2019 22:49:50 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Wed, 30 Oct 2019 22:49:49 +0000 Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Wed, 30 Oct 2019 15:49:49 -0700 From: John Hubbard To: Andrew Morton Subject: [PATCH 13/19] media/v4l2-core: pin_longterm_pages (FOLL_PIN) and put_user_page() conversion Date: Wed, 30 Oct 2019 15:49:24 -0700 Message-ID: <20191030224930.3990755-14-jhubbard@nvidia.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191030224930.3990755-1-jhubbard@nvidia.com> References: <20191030224930.3990755-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Thu, 31 Oct 2019 09:04:21 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1572475798; bh=liO76MrwJT5y5IUfrUHPe1ML08BZFmwb/vxBRrGctqM=; 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=egCaFtYuo8+CT+HGUuhn4CTP4FIrxiMrJr2kWgc9xfTJ5cEAMwWGRKwLs2VOgUq/F NJ3shg6jl0qZBeC7ekWw9gTGFrEvjXleJORBgmE0+ZdMOoK/cir9C/w9xBiSIYzatT hUu0cV5G8FZEjpwcLq1br7D5vruu5jL8CTLvFcT52aSl1rx9F3VQuJfCX3B5yVYKNU Vi0wtWFrefmyVyZn7egaMruJYGdJuzg5tvP/eQPBX1SB4AKaFRrzkSG32lG8jP90bI MziM+fZHHn1Aehu9qPQUgGQ60q8CjJyM0+PI7V+hPwAyAeOr3xVGZt9xJSfiBEny8j 2y38bgavyYeww== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Al Viro , Dan Williams , Mauro Carvalho Chehab , Magnus Karlsson , Jens Axboe , netdev@vger.kernel.org, Alex Williamson , linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "David S . 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: <20191030224924.hTgJxNq5ZsNE1YE59VufjWjd8My-q0c41q28MiJJffs@z> MS4gQ2hhbmdlIHY0bDIgZnJvbSBnZXRfdXNlcl9wYWdlcyhGT0xMX0xPTkdURVJNKSwgdG8KcGlu X2xvbmd0ZXJtX3BhZ2VzKCksIHdoaWNoIHNldHMgYm90aCBGT0xMX0xPTkdURVJNIGFuZCBGT0xM X1BJTi4KCjIuIEJlY2F1c2UgYWxsIEZPTExfUElOLWFjcXVpcmVkIHBhZ2VzIG11c3QgYmUgcmVs ZWFzZWQgdmlhCnB1dF91c2VyX3BhZ2UoKSwgYWxzbyBjb252ZXJ0IHRoZSBwdXRfcGFnZSgpIGNh bGwgb3ZlciB0bwpwdXRfdXNlcl9wYWdlc19kaXJ0eV9sb2NrKCkuCgpDYzogTWF1cm8gQ2FydmFs aG8gQ2hlaGFiIDxtY2hlaGFiQGtlcm5lbC5vcmc+ClNpZ25lZC1vZmYtYnk6IEpvaG4gSHViYmFy ZCA8amh1YmJhcmRAbnZpZGlhLmNvbT4KLS0tCiBkcml2ZXJzL21lZGlhL3Y0bDItY29yZS92aWRl b2J1Zi1kbWEtc2cuYyB8IDEzICsrKysrLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCA1IGluc2Vy dGlvbnMoKyksIDggZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9tZWRpYS92NGwy LWNvcmUvdmlkZW9idWYtZG1hLXNnLmMgYi9kcml2ZXJzL21lZGlhL3Y0bDItY29yZS92aWRlb2J1 Zi1kbWEtc2cuYwppbmRleCAyODI2MjE5MGMzYWIuLjliOWM1YjM3YmY1OSAxMDA2NDQKLS0tIGEv ZHJpdmVycy9tZWRpYS92NGwyLWNvcmUvdmlkZW9idWYtZG1hLXNnLmMKKysrIGIvZHJpdmVycy9t ZWRpYS92NGwyLWNvcmUvdmlkZW9idWYtZG1hLXNnLmMKQEAgLTE4MywxMiArMTgzLDEyIEBAIHN0 YXRpYyBpbnQgdmlkZW9idWZfZG1hX2luaXRfdXNlcl9sb2NrZWQoc3RydWN0IHZpZGVvYnVmX2Rt YWJ1ZiAqZG1hLAogCWRwcmludGsoMSwgImluaXQgdXNlciBbMHglbHgrMHglbHggPT4gJWQgcGFn ZXNdXG4iLAogCQlkYXRhLCBzaXplLCBkbWEtPm5yX3BhZ2VzKTsKIAotCWVyciA9IGdldF91c2Vy X3BhZ2VzKGRhdGEgJiBQQUdFX01BU0ssIGRtYS0+bnJfcGFnZXMsCi0JCQkgICAgIGZsYWdzIHwg Rk9MTF9MT05HVEVSTSwgZG1hLT5wYWdlcywgTlVMTCk7CisJZXJyID0gcGluX2xvbmd0ZXJtX3Bh Z2VzKGRhdGEgJiBQQUdFX01BU0ssIGRtYS0+bnJfcGFnZXMsCisJCQkJIGZsYWdzLCBkbWEtPnBh Z2VzLCBOVUxMKTsKIAogCWlmIChlcnIgIT0gZG1hLT5ucl9wYWdlcykgewogCQlkbWEtPm5yX3Bh Z2VzID0gKGVyciA+PSAwKSA/IGVyciA6IDA7Ci0JCWRwcmludGsoMSwgImdldF91c2VyX3BhZ2Vz OiBlcnI9JWQgWyVkXVxuIiwgZXJyLAorCQlkcHJpbnRrKDEsICJwaW5fbG9uZ3Rlcm1fcGFnZXM6 IGVycj0lZCBbJWRdXG4iLCBlcnIsCiAJCQlkbWEtPm5yX3BhZ2VzKTsKIAkJcmV0dXJuIGVyciA8 IDAgPyBlcnIgOiAtRUlOVkFMOwogCX0KQEAgLTM0OSwxMSArMzQ5LDggQEAgaW50IHZpZGVvYnVm X2RtYV9mcmVlKHN0cnVjdCB2aWRlb2J1Zl9kbWFidWYgKmRtYSkKIAlCVUdfT04oZG1hLT5zZ2xl bik7CiAKIAlpZiAoZG1hLT5wYWdlcykgewotCQlmb3IgKGkgPSAwOyBpIDwgZG1hLT5ucl9wYWdl czsgaSsrKSB7Ci0JCQlpZiAoZG1hLT5kaXJlY3Rpb24gPT0gRE1BX0ZST01fREVWSUNFKQotCQkJ CXNldF9wYWdlX2RpcnR5X2xvY2soZG1hLT5wYWdlc1tpXSk7Ci0JCQlwdXRfcGFnZShkbWEtPnBh Z2VzW2ldKTsKLQkJfQorCQlwdXRfdXNlcl9wYWdlc19kaXJ0eV9sb2NrKGRtYS0+cGFnZXMsIGRt YS0+bnJfcGFnZXMsCisJCQkJCSAgZG1hLT5kaXJlY3Rpb24gPT0gRE1BX0ZST01fREVWSUNFKTsK IAkJa2ZyZWUoZG1hLT5wYWdlcyk7CiAJCWRtYS0+cGFnZXMgPSBOVUxMOwogCX0KLS0gCjIuMjMu MAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRl dmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs