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 53AD0C2D0C5 for ; Mon, 9 Dec 2019 22:54:08 +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 30DF920721 for ; Mon, 9 Dec 2019 22:54:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 30DF920721 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 14C706E5AB; Mon, 9 Dec 2019 22:54:04 +0000 (UTC) Received: from hqnvemgate24.nvidia.com (hqnvemgate24.nvidia.com [216.228.121.143]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2425D6E5AB for ; Mon, 9 Dec 2019 22:54:03 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 09 Dec 2019 14:53:42 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 09 Dec 2019 14:54:02 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 09 Dec 2019 14:54:02 -0800 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 9 Dec 2019 22:53:57 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 9 Dec 2019 22:53:57 +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 14:53:56 -0800 From: John Hubbard To: Andrew Morton Subject: [PATCH v8 08/26] mm/gup: allow FOLL_FORCE for get_user_pages_fast() Date: Mon, 9 Dec 2019 14:53:26 -0800 Message-ID: <20191209225344.99740-9-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=1575932022; bh=8yMeFiIYMbIInu28JyKhLAF6qs4QGFVvzis+XDEEE9w=; 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=TwbYjuNxLCNiku9hlj7Cg/pJ/IpeV4xiPpYuvKt8MTqelgsBfJLDpYOGbCDudB4Le liqarKq31qZIpvYqiqMLE+vqavFd9qoKhGR7g2gqLA/yVd2+6rjxjR17o0INhL8VVi SLT5lIZRfnum04N96WfLBhg4hGSv2O1wDoQLhhU3voDklCEBjq5Z93GEcKra1OQ8cK Rc1+yiQk2G0oy0pDHhNFPFnmKweogxWyAHTrvO7JLXf/6pFp+kuUbrghVdp/Gy01ff Mj0NtfAW+IUuWf+4wxxDLU1dchVOYwP2qmtddp6oJAFnDHYfpsrVgyxGp33Ba7OQ0j xLoz8AJeDDZBg== 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 , 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, Leon Romanovsky , =?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" Q29tbWl0IDgxN2JlMTI5ZTZmMiAoIm1tOiB2YWxpZGF0ZSBnZXRfdXNlcl9wYWdlc19mYXN0IGZs YWdzIikgYWxsb3dlZApvbmx5IEZPTExfV1JJVEUgYW5kIEZPTExfTE9OR1RFUk0gdG8gYmUgcGFz c2VkIHRvIGdldF91c2VyX3BhZ2VzX2Zhc3QoKS4KVGhpcywgY29tYmluZWQgd2l0aCB0aGUgZmFj dCB0aGF0IGdldF91c2VyX3BhZ2VzX2Zhc3QoKSBmYWxscyBiYWNrIHRvCiJzbG93IGd1cCIsIHdo aWNoICpkb2VzKiBhY2NlcHQgRk9MTF9GT1JDRSwgbGVhZHMgdG8gYW4gb2RkIHNpdHVhdGlvbjoK aWYgeW91IG5lZWQgRk9MTF9GT1JDRSwgeW91IGNhbm5vdCBjYWxsIGdldF91c2VyX3BhZ2VzX2Zh c3QoKS4KClRoZXJlIGRvZXMgbm90IGFwcGVhciB0byBiZSBhbnkgcmVhc29uIGZvciBmaWx0ZXJp bmcgb3V0IEZPTExfRk9SQ0UuClRoZXJlIGlzIG5vdGhpbmcgaW4gdGhlIF9mYXN0KCkgaW1wbGVt ZW50YXRpb24gdGhhdCByZXF1aXJlcyB0aGF0IHdlCmF2b2lkIHdyaXRpbmcgdG8gdGhlIHBhZ2Vz LiBTbyBpdCBhcHBlYXJzIHRvIGhhdmUgYmVlbiBhbiBvdmVyc2lnaHQuCgpGaXggYnkgYWxsb3dp bmcgRk9MTF9GT1JDRSB0byBiZSBzZXQgZm9yIGdldF91c2VyX3BhZ2VzX2Zhc3QoKS4KCkZpeGVz OiA4MTdiZTEyOWU2ZjIgKCJtbTogdmFsaWRhdGUgZ2V0X3VzZXJfcGFnZXNfZmFzdCBmbGFncyIp CkNjOiBDaHJpc3RvcGggSGVsbHdpZyA8aGNoQGxzdC5kZT4KUmV2aWV3ZWQtYnk6IExlb24gUm9t YW5vdnNreSA8bGVvbnJvQG1lbGxhbm94LmNvbT4KU2lnbmVkLW9mZi1ieTogSm9obiBIdWJiYXJk IDxqaHViYmFyZEBudmlkaWEuY29tPgotLS0KIG1tL2d1cC5jIHwgMyArKy0KIDEgZmlsZSBjaGFu Z2VkLCAyIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9tbS9ndXAu YyBiL21tL2d1cC5jCmluZGV4IGMwYzU2ODg4ZTdjYy4uOTU4YWIwNzU3Mzg5IDEwMDY0NAotLS0g YS9tbS9ndXAuYworKysgYi9tbS9ndXAuYwpAQCAtMjQxNCw3ICsyNDE0LDggQEAgaW50IGdldF91 c2VyX3BhZ2VzX2Zhc3QodW5zaWduZWQgbG9uZyBzdGFydCwgaW50IG5yX3BhZ2VzLAogCXVuc2ln bmVkIGxvbmcgYWRkciwgbGVuLCBlbmQ7CiAJaW50IG5yID0gMCwgcmV0ID0gMDsKIAotCWlmIChX QVJOX09OX09OQ0UoZ3VwX2ZsYWdzICYgfihGT0xMX1dSSVRFIHwgRk9MTF9MT05HVEVSTSkpKQor CWlmIChXQVJOX09OX09OQ0UoZ3VwX2ZsYWdzICYgfihGT0xMX1dSSVRFIHwgRk9MTF9MT05HVEVS TSB8CisJCQkJICAgICAgIEZPTExfRk9SQ0UpKSkKIAkJcmV0dXJuIC1FSU5WQUw7CiAKIAlzdGFy dCA9IHVudGFnZ2VkX2FkZHIoc3RhcnQpICYgUEFHRV9NQVNLOwotLSAKMi4yNC4wCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGlu ZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWw=