From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=ciiV=24=lists.freedesktop.org=dri-devel-bounces@kernel.org>
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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED,
	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 CBB14C33C9E
	for <dri-devel@archiver.kernel.org>; Tue,  7 Jan 2020 22:46:30 +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 9E2FF2077B
	for <dri-devel@archiver.kernel.org>; Tue,  7 Jan 2020 22:46:30 +0000 (UTC)
Authentication-Results: mail.kernel.org;
	dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="pMHOUYTS"
DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9E2FF2077B
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 DA9C56E844;
	Tue,  7 Jan 2020 22:46:09 +0000 (UTC)
Received: from hqnvemgate24.nvidia.com (hqnvemgate24.nvidia.com
 [216.228.121.143])
 by gabe.freedesktop.org (Postfix) with ESMTPS id F38BE6E14A
 for <dri-devel@lists.freedesktop.org>; Tue,  7 Jan 2020 22:46:05 +0000 (UTC)
Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by
 hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA)
 id <B5e1509fa0002>; Tue, 07 Jan 2020 14:45:14 -0800
Received: from hqmail.nvidia.com ([172.20.161.6])
 by hqpgpgate102.nvidia.com (PGP Universal service);
 Tue, 07 Jan 2020 14:46:02 -0800
X-PGP-Universal: processed;
 by hqpgpgate102.nvidia.com on Tue, 07 Jan 2020 14:46:02 -0800
Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL111.nvidia.com
 (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 7 Jan
 2020 22:46:02 +0000
Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL109.nvidia.com
 (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 7 Jan
 2020 22:46:01 +0000
Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL109.nvidia.com
 (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend
 Transport; Tue, 7 Jan 2020 22:46:01 +0000
Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by
 hqnvemgw03.nvidia.com with Trustwave SEG (v7, 5, 8, 10121)
 id <B5e150a290009>; Tue, 07 Jan 2020 14:46:01 -0800
From: John Hubbard <jhubbard@nvidia.com>
To: Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH v12 17/22] net/xdp: set FOLL_PIN via pin_user_pages()
Date: Tue, 7 Jan 2020 14:45:53 -0800
Message-ID: <20200107224558.2362728-18-jhubbard@nvidia.com>
X-Mailer: git-send-email 2.24.1
In-Reply-To: <20200107224558.2362728-1-jhubbard@nvidia.com>
References: <20200107224558.2362728-1-jhubbard@nvidia.com>
MIME-Version: 1.0
X-NVConfidentiality: public
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1;
 t=1578437114; bh=ZT0qQeDGzOfjOR8r+Vh655vAE0xyyVSAGHaZ2J8yjZ0=;
 h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer:
 In-Reply-To:References:MIME-Version:X-NVConfidentiality:
 Content-Type:Content-Transfer-Encoding;
 b=pMHOUYTSnIGYvp2QjbUK2zP+G/kcACpYigXx78Byfv36Yi6/ec3CnvdeW0+4ZqOqn
 2h5v1Ndk2jEMU2x2cWs2d2ADGY3mWiI9+nhhJEnGVJ2/S9N7ML4IveqaFcIKWSBuZ4
 ejfHfyXHww6mtaiHjGC2gJktl3AzAVFB4bXa41XytiA6DBQQDosGEUiewAEarM+Cpd
 hfK7QpVRSKN2VJdGwSdqFp2z4N9L5QSp+WKFF7xzXfnXM5SHGW9l2uE1A6kdXgOCwM
 zO8QDGyRa/Rh05r4x5GRSOQzmCzhnXZCmHNRxTNpuQkEknq1/BbzhSudwPGafoet2p
 ktCEMwz0zfydQ==
X-BeenThere: dri-devel@lists.freedesktop.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Direct Rendering Infrastructure - Development
 <dri-devel.lists.freedesktop.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Cc: Michal Hocko <mhocko@suse.com>, Jan Kara <jack@suse.cz>,
 kvm@vger.kernel.org, linux-doc@vger.kernel.org,
 David Airlie <airlied@linux.ie>, Dave Chinner <david@fromorbit.com>,
 dri-devel@lists.freedesktop.org, LKML <linux-kernel@vger.kernel.org>,
 linux-mm@kvack.org, Paul Mackerras <paulus@samba.org>,
 linux-kselftest@vger.kernel.org, Ira Weiny <ira.weiny@intel.com>,
 Jonathan Corbet <corbet@lwn.net>, linux-rdma@vger.kernel.org,
 Michael Ellerman <mpe@ellerman.id.au>, Christoph Hellwig <hch@infradead.org>,
 Jason Gunthorpe <jgg@ziepe.ca>, Vlastimil Babka <vbabka@suse.cz>,
 =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= <bjorn.topel@intel.com>,
 linux-media@vger.kernel.org, Shuah Khan <shuah@kernel.org>,
 John Hubbard <jhubbard@nvidia.com>, linux-block@vger.kernel.org,
 =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= <jglisse@redhat.com>,
 Al Viro <viro@zeniv.linux.org.uk>,
 "Kirill A . Shutemov" <kirill@shutemov.name>,
 Dan Williams <dan.j.williams@intel.com>,
 Mauro Carvalho Chehab <mchehab@kernel.org>, Magnus
 Karlsson <magnus.karlsson@intel.com>, Jens Axboe <axboe@kernel.dk>,
 netdev@vger.kernel.org, Alex Williamson <alex.williamson@redhat.com>,
 linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org,
 linuxppc-dev@lists.ozlabs.org, "David S . Miller" <davem@davemloft.net>,
 Mike Kravetz <mike.kravetz@oracle.com>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
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=