From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Hubbard Subject: [PATCH v6 15/24] fs/io_uring: set FOLL_PIN via pin_user_pages() Date: Tue, 19 Nov 2019 00:16:34 -0800 Message-ID: <20191119081643.1866232-16-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 hqemgate16.nvidia.com (hqemgate16.nvidia.com [216.228.121.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id B7BEB6EC9B for ; Tue, 19 Nov 2019 08:17:05 +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, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Al Viro , Dan Williams List-Id: dri-devel@lists.freedesktop.org Q29udmVydCBmcy9pb191cmluZyB0byB1c2UgdGhlIG5ldyBwaW5fdXNlcl9wYWdlcygpIGNhbGws IHdoaWNoIHNldHMKRk9MTF9QSU4uIFNldHRpbmcgRk9MTF9QSU4gaXMgbm93IHJlcXVpcmVkIGZv ciBjb2RlIHRoYXQgcmVxdWlyZXMKdHJhY2tpbmcgb2YgcGlubmVkIHBhZ2VzLCBhbmQgdGhlcmVm b3JlIGZvciBhbnkgY29kZSB0aGF0IGNhbGxzCnB1dF91c2VyX3BhZ2UoKS4KCkluIHBhcnRpYWwg YW50aWNpcGF0aW9uIG9mIHRoaXMgd29yaywgdGhlIGlvX3VyaW5nIGNvZGUgd2FzIGFscmVhZHkK Y2FsbGluZyBwdXRfdXNlcl9wYWdlKCkgaW5zdGVhZCBvZiBwdXRfcGFnZSgpLiBUaGVyZWZvcmUs IGluIG9yZGVyIHRvCmNvbnZlcnQgZnJvbSB0aGUgZ2V0X3VzZXJfcGFnZXMoKS9wdXRfcGFnZSgp IG1vZGVsLCB0byB0aGUKcGluX3VzZXJfcGFnZXMoKS9wdXRfdXNlcl9wYWdlKCkgbW9kZWwsIHRo ZSBvbmx5IGNoYW5nZSByZXF1aXJlZApoZXJlIGlzIHRvIGNoYW5nZSBnZXRfdXNlcl9wYWdlcygp IHRvIHBpbl91c2VyX3BhZ2VzKCkuCgpSZXZpZXdlZC1ieTogSmFuIEthcmEgPGphY2tAc3VzZS5j ej4KU2lnbmVkLW9mZi1ieTogSm9obiBIdWJiYXJkIDxqaHViYmFyZEBudmlkaWEuY29tPgotLS0K IGZzL2lvX3VyaW5nLmMgfCAyICstCiAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyksIDEg ZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9mcy9pb191cmluZy5jIGIvZnMvaW9fdXJpbmcuYwpp bmRleCAyYzgxOWMzYzg1NWQuLjE1NzE1ZWVlYmFlYyAxMDA2NDQKLS0tIGEvZnMvaW9fdXJpbmcu YworKysgYi9mcy9pb191cmluZy5jCkBAIC0zNDQ5LDcgKzM0NDksNyBAQCBzdGF0aWMgaW50IGlv X3NxZV9idWZmZXJfcmVnaXN0ZXIoc3RydWN0IGlvX3JpbmdfY3R4ICpjdHgsIHZvaWQgX191c2Vy ICphcmcsCiAKIAkJcmV0ID0gMDsKIAkJZG93bl9yZWFkKCZjdXJyZW50LT5tbS0+bW1hcF9zZW0p OwotCQlwcmV0ID0gZ2V0X3VzZXJfcGFnZXModWJ1ZiwgbnJfcGFnZXMsCisJCXByZXQgPSBwaW5f dXNlcl9wYWdlcyh1YnVmLCBucl9wYWdlcywKIAkJCQkgICAgICBGT0xMX1dSSVRFIHwgRk9MTF9M T05HVEVSTSwKIAkJCQkgICAgICBwYWdlcywgdm1hcyk7CiAJCWlmIChwcmV0ID09IG5yX3BhZ2Vz KSB7Ci0tIAoyLjI0LjAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1k ZXZlbA== 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 8AC14C33CB9 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: <20191119081634.s2bs_0QpH9uMp8DLtyLjJjZ_CYs6scXNKgprx0HskS4@z> Q29udmVydCBmcy9pb191cmluZyB0byB1c2UgdGhlIG5ldyBwaW5fdXNlcl9wYWdlcygpIGNhbGws IHdoaWNoIHNldHMKRk9MTF9QSU4uIFNldHRpbmcgRk9MTF9QSU4gaXMgbm93IHJlcXVpcmVkIGZv ciBjb2RlIHRoYXQgcmVxdWlyZXMKdHJhY2tpbmcgb2YgcGlubmVkIHBhZ2VzLCBhbmQgdGhlcmVm b3JlIGZvciBhbnkgY29kZSB0aGF0IGNhbGxzCnB1dF91c2VyX3BhZ2UoKS4KCkluIHBhcnRpYWwg YW50aWNpcGF0aW9uIG9mIHRoaXMgd29yaywgdGhlIGlvX3VyaW5nIGNvZGUgd2FzIGFscmVhZHkK Y2FsbGluZyBwdXRfdXNlcl9wYWdlKCkgaW5zdGVhZCBvZiBwdXRfcGFnZSgpLiBUaGVyZWZvcmUs IGluIG9yZGVyIHRvCmNvbnZlcnQgZnJvbSB0aGUgZ2V0X3VzZXJfcGFnZXMoKS9wdXRfcGFnZSgp IG1vZGVsLCB0byB0aGUKcGluX3VzZXJfcGFnZXMoKS9wdXRfdXNlcl9wYWdlKCkgbW9kZWwsIHRo ZSBvbmx5IGNoYW5nZSByZXF1aXJlZApoZXJlIGlzIHRvIGNoYW5nZSBnZXRfdXNlcl9wYWdlcygp IHRvIHBpbl91c2VyX3BhZ2VzKCkuCgpSZXZpZXdlZC1ieTogSmFuIEthcmEgPGphY2tAc3VzZS5j ej4KU2lnbmVkLW9mZi1ieTogSm9obiBIdWJiYXJkIDxqaHViYmFyZEBudmlkaWEuY29tPgotLS0K IGZzL2lvX3VyaW5nLmMgfCAyICstCiAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyksIDEg ZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9mcy9pb191cmluZy5jIGIvZnMvaW9fdXJpbmcuYwpp bmRleCAyYzgxOWMzYzg1NWQuLjE1NzE1ZWVlYmFlYyAxMDA2NDQKLS0tIGEvZnMvaW9fdXJpbmcu YworKysgYi9mcy9pb191cmluZy5jCkBAIC0zNDQ5LDcgKzM0NDksNyBAQCBzdGF0aWMgaW50IGlv X3NxZV9idWZmZXJfcmVnaXN0ZXIoc3RydWN0IGlvX3JpbmdfY3R4ICpjdHgsIHZvaWQgX191c2Vy ICphcmcsCiAKIAkJcmV0ID0gMDsKIAkJZG93bl9yZWFkKCZjdXJyZW50LT5tbS0+bW1hcF9zZW0p OwotCQlwcmV0ID0gZ2V0X3VzZXJfcGFnZXModWJ1ZiwgbnJfcGFnZXMsCisJCXByZXQgPSBwaW5f dXNlcl9wYWdlcyh1YnVmLCBucl9wYWdlcywKIAkJCQkgICAgICBGT0xMX1dSSVRFIHwgRk9MTF9M T05HVEVSTSwKIAkJCQkgICAgICBwYWdlcywgdm1hcyk7CiAJCWlmIChwcmV0ID09IG5yX3BhZ2Vz KSB7Ci0tIAoyLjI0LjAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1k ZXZlbA==