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 669DBC2D0CF for ; Mon, 9 Dec 2019 22:54:42 +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 47EA821556 for ; Mon, 9 Dec 2019 22:54:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 47EA821556 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 F2D9B6E5CF; Mon, 9 Dec 2019 22:54:25 +0000 (UTC) Received: from hqnvemgate26.nvidia.com (hqnvemgate26.nvidia.com [216.228.121.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 89B6A6E5B4 for ; Mon, 9 Dec 2019 22:54:07 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 09 Dec 2019 14:54:01 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 09 Dec 2019 14:54:06 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 09 Dec 2019 14:54:06 -0800 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 9 Dec 2019 22:54:06 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 9 Dec 2019 22:54:06 +0000 Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Mon, 09 Dec 2019 14:54:05 -0800 From: John Hubbard To: Andrew Morton Subject: [PATCH v8 19/26] vfio, mm: pin_user_pages (FOLL_PIN) and put_user_page() conversion Date: Mon, 9 Dec 2019 14:53:37 -0800 Message-ID: <20191209225344.99740-20-jhubbard@nvidia.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191209225344.99740-1-jhubbard@nvidia.com> References: <20191209225344.99740-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1575932041; bh=wk2NwG+UPRzhGeGA4o6oMgrCb1pvQrHxv3rBUNt8i3I=; 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=C/fTUzxTzc3p4YYS/Nv5gvqXhsAxxoWv8tZ974VATw38uiWGEbLNaDGmwbNqYtLK1 K59KCCk/dyawtHZe5FCoi/kvtcW4tuPSy7Y/1aWeU93Ir6XhWJweBeyDa6HOSUR7Mt 9ZlEDQlQeMhgvVQC7Ax4Htw9EfR2wJmO49/8vDlTMQQsyJc+VQSQNddYpablP3ZCSe UCSPMjSZHDwfu46LDOlrFiKiyN3j+N9FuQDUdnf7LKiQ9XM83hMEstSKoHfrGDbtKw M7fn1Bq5IxACM89YgHuTaBgLNc2aX9ruMDTWtsGw6NIfxaiiHBwfAv8XXXEt9BBtqm im/CQZKpFUklQ== 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" MS4gQ2hhbmdlIHZmaW8gZnJvbSBnZXRfdXNlcl9wYWdlc19yZW1vdGUoKSwgdG8KcGluX3VzZXJf cGFnZXNfcmVtb3RlKCkuCgoyLiBCZWNhdXNlIGFsbCBGT0xMX1BJTi1hY3F1aXJlZCBwYWdlcyBt dXN0IGJlIHJlbGVhc2VkIHZpYQpwdXRfdXNlcl9wYWdlKCksIGFsc28gY29udmVydCB0aGUgcHV0 X3BhZ2UoKSBjYWxsIG92ZXIgdG8KcHV0X3VzZXJfcGFnZXNfZGlydHlfbG9jaygpLgoKTm90ZSB0 aGF0IHRoaXMgZWZmZWN0aXZlbHkgY2hhbmdlcyB0aGUgY29kZSdzIGJlaGF2aW9yIGluCnZmaW9f aW9tbXVfdHlwZTEuYzogcHV0X3BmbigpOiBpdCBub3cgdWx0aW1hdGVseSBjYWxscwpzZXRfcGFn ZV9kaXJ0eV9sb2NrKCksIGluc3RlYWQgb2Ygc2V0X3BhZ2VfZGlydHkoKS4gVGhpcyBpcwpwcm9i YWJseSBtb3JlIGFjY3VyYXRlLgoKQXMgQ2hyaXN0b3BoIEhlbGx3aWcgcHV0IGl0LCAic2V0X3Bh Z2VfZGlydHkoKSBpcyBvbmx5IHNhZmUgaWYgd2UgYXJlCmRlYWxpbmcgd2l0aCBhIGZpbGUgYmFj a2VkIHBhZ2Ugd2hlcmUgd2UgaGF2ZSByZWZlcmVuY2Ugb24gdGhlIGlub2RlIGl0CmhhbmdzIG9m Zi4iIFsxXQoKWzFdIGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL3IvMjAxOTA3MjMxNTM2NDAuR0I3 MjBAbHN0LmRlCgpUZXN0ZWQtYnk6IEFsZXggV2lsbGlhbXNvbiA8YWxleC53aWxsaWFtc29uQHJl ZGhhdC5jb20+CkFja2VkLWJ5OiBBbGV4IFdpbGxpYW1zb24gPGFsZXgud2lsbGlhbXNvbkByZWRo YXQuY29tPgpTaWduZWQtb2ZmLWJ5OiBKb2huIEh1YmJhcmQgPGpodWJiYXJkQG52aWRpYS5jb20+ Ci0tLQogZHJpdmVycy92ZmlvL3ZmaW9faW9tbXVfdHlwZTEuYyB8IDcgKysrLS0tLQogMSBmaWxl IGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9k cml2ZXJzL3ZmaW8vdmZpb19pb21tdV90eXBlMS5jIGIvZHJpdmVycy92ZmlvL3ZmaW9faW9tbXVf dHlwZTEuYwppbmRleCBiODAwZmM5YTAyNTEuLjE4YmZjMmZjOGU2ZCAxMDA2NDQKLS0tIGEvZHJp dmVycy92ZmlvL3ZmaW9faW9tbXVfdHlwZTEuYworKysgYi9kcml2ZXJzL3ZmaW8vdmZpb19pb21t dV90eXBlMS5jCkBAIC0zMDksOSArMzA5LDggQEAgc3RhdGljIGludCBwdXRfcGZuKHVuc2lnbmVk IGxvbmcgcGZuLCBpbnQgcHJvdCkKIHsKIAlpZiAoIWlzX2ludmFsaWRfcmVzZXJ2ZWRfcGZuKHBm bikpIHsKIAkJc3RydWN0IHBhZ2UgKnBhZ2UgPSBwZm5fdG9fcGFnZShwZm4pOwotCQlpZiAocHJv dCAmIElPTU1VX1dSSVRFKQotCQkJU2V0UGFnZURpcnR5KHBhZ2UpOwotCQlwdXRfcGFnZShwYWdl KTsKKworCQlwdXRfdXNlcl9wYWdlc19kaXJ0eV9sb2NrKCZwYWdlLCAxLCBwcm90ICYgSU9NTVVf V1JJVEUpOwogCQlyZXR1cm4gMTsKIAl9CiAJcmV0dXJuIDA7CkBAIC0zMjksNyArMzI4LDcgQEAg c3RhdGljIGludCB2YWRkcl9nZXRfcGZuKHN0cnVjdCBtbV9zdHJ1Y3QgKm1tLCB1bnNpZ25lZCBs b25nIHZhZGRyLAogCQlmbGFncyB8PSBGT0xMX1dSSVRFOwogCiAJZG93bl9yZWFkKCZtbS0+bW1h cF9zZW0pOwotCXJldCA9IGdldF91c2VyX3BhZ2VzX3JlbW90ZShOVUxMLCBtbSwgdmFkZHIsIDEs IGZsYWdzIHwgRk9MTF9MT05HVEVSTSwKKwlyZXQgPSBwaW5fdXNlcl9wYWdlc19yZW1vdGUoTlVM TCwgbW0sIHZhZGRyLCAxLCBmbGFncyB8IEZPTExfTE9OR1RFUk0sCiAJCQkJICAgIHBhZ2UsIE5V TEwsIE5VTEwpOwogCWlmIChyZXQgPT0gMSkgewogCQkqcGZuID0gcGFnZV90b19wZm4ocGFnZVsw XSk7Ci0tIAoyLjI0LjAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1k ZXZlbA==