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 175C8C2D0CD for ; Mon, 9 Dec 2019 22:54:17 +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 E7CEE222C4 for ; Mon, 9 Dec 2019 22:54:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E7CEE222C4 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 4C5616E5B6; Mon, 9 Dec 2019 22:54:09 +0000 (UTC) Received: from hqnvemgate26.nvidia.com (hqnvemgate26.nvidia.com [216.228.121.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id ECF016E5B2 for ; Mon, 9 Dec 2019 22:54:05 +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 14:53:59 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 09 Dec 2019 14:54:05 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 09 Dec 2019 14:54:05 -0800 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 9 Dec 2019 22:54:04 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 9 Dec 2019 22:54:03 +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 14:54:03 -0800 From: John Hubbard To: Andrew Morton Subject: [PATCH v8 16/26] net/xdp: set FOLL_PIN via pin_user_pages() Date: Mon, 9 Dec 2019 14:53:34 -0800 Message-ID: <20191209225344.99740-17-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=1575932039; bh=JiuMSIu1KROGnYN0FUrQmmZholMbEQnfhCSo9iAG4Tw=; 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=kc20ffHV03dkJRR7LxeJQSjw5phZNAxlSDBQN5snIQ9tL0DRD4Ewc5YPpErPtiTT5 43I/bYHt0zz+QG05iLFTni28kdRboxisMudb1jbhv7NYMW1G48X3LeIyV+Pp+qtjQ6 sqDpIDoHTfdIA8tuWelMPAMP/ajKEjS/KVESnEZpS3N/UuAFbRpfMxVEK/LlVhxsVI WMEPkYCoSkJqTMkHgeHckuGe9TFcZq03CUcizeZiiqRYnKiu/JXikmxU2RQMDIach5 yeQ0muqCX03zSAzEQ5zx3C9+h+eys6aNi9aZ+LQa6CvmUjbZUMJ5Jvs05kCIo9Anuk WYO8Si5tmZ2pg== 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" Q29udmVydCBuZXQveGRwIHRvIHVzZSB0aGUgbmV3IHBpbl9sb25ndGVybV9wYWdlcygpIGNhbGws IHdoaWNoIHNldHMKRk9MTF9QSU4uIFNldHRpbmcgRk9MTF9QSU4gaXMgbm93IHJlcXVpcmVkIGZv ciBjb2RlIHRoYXQgcmVxdWlyZXMKdHJhY2tpbmcgb2YgcGlubmVkIHBhZ2VzLgoKSW4gcGFydGlh bCBhbnRpY2lwYXRpb24gb2YgdGhpcyB3b3JrLCB0aGUgbmV0L3hkcCBjb2RlIHdhcyBhbHJlYWR5 CmNhbGxpbmcgcHV0X3VzZXJfcGFnZSgpIGluc3RlYWQgb2YgcHV0X3BhZ2UoKS4gVGhlcmVmb3Jl LCBpbiBvcmRlciB0bwpjb252ZXJ0IGZyb20gdGhlIGdldF91c2VyX3BhZ2VzKCkvcHV0X3BhZ2Uo KSBtb2RlbCwgdG8gdGhlCnBpbl91c2VyX3BhZ2VzKCkvcHV0X3VzZXJfcGFnZSgpIG1vZGVsLCB0 aGUgb25seSBjaGFuZ2UgcmVxdWlyZWQKaGVyZSBpcyB0byBjaGFuZ2UgZ2V0X3VzZXJfcGFnZXMo KSB0byBwaW5fdXNlcl9wYWdlcygpLgoKQWNrZWQtYnk6IEJqw7ZybiBUw7ZwZWwgPGJqb3JuLnRv cGVsQGludGVsLmNvbT4KU2lnbmVkLW9mZi1ieTogSm9obiBIdWJiYXJkIDxqaHViYmFyZEBudmlk aWEuY29tPgotLS0KIG5ldC94ZHAveGRwX3VtZW0uYyB8IDIgKy0KIDEgZmlsZSBjaGFuZ2VkLCAx IGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL25ldC94ZHAveGRwX3Vt ZW0uYyBiL25ldC94ZHAveGRwX3VtZW0uYwppbmRleCAzMDQ5YWYyNjlmYmYuLmQwNzEwMDNiNWU3 NiAxMDA2NDQKLS0tIGEvbmV0L3hkcC94ZHBfdW1lbS5jCisrKyBiL25ldC94ZHAveGRwX3VtZW0u YwpAQCAtMjkxLDcgKzI5MSw3IEBAIHN0YXRpYyBpbnQgeGRwX3VtZW1fcGluX3BhZ2VzKHN0cnVj dCB4ZHBfdW1lbSAqdW1lbSkKIAkJcmV0dXJuIC1FTk9NRU07CiAKIAlkb3duX3JlYWQoJmN1cnJl bnQtPm1tLT5tbWFwX3NlbSk7Ci0JbnBncyA9IGdldF91c2VyX3BhZ2VzKHVtZW0tPmFkZHJlc3Ms IHVtZW0tPm5wZ3MsCisJbnBncyA9IHBpbl91c2VyX3BhZ2VzKHVtZW0tPmFkZHJlc3MsIHVtZW0t Pm5wZ3MsCiAJCQkgICAgICBndXBfZmxhZ3MgfCBGT0xMX0xPTkdURVJNLCAmdW1lbS0+cGdzWzBd LCBOVUxMKTsKIAl1cF9yZWFkKCZjdXJyZW50LT5tbS0+bW1hcF9zZW0pOwogCi0tIAoyLjI0LjAK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZl bCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==