Message ID | 20191121071354.456618-16-jhubbard@nvidia.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show
Return-Path: <SRS0=NZET=ZN=vger.kernel.org=linux-rdma-owner@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2020A112B for <patchwork-linux-rdma@patchwork.kernel.org>; Thu, 21 Nov 2019 07:15:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 00DF62089D for <patchwork-linux-rdma@patchwork.kernel.org>; Thu, 21 Nov 2019 07:15:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="ae5eh6US" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727333AbfKUHOH (ORCPT <rfc822;patchwork-linux-rdma@patchwork.kernel.org>); Thu, 21 Nov 2019 02:14:07 -0500 Received: from hqemgate14.nvidia.com ([216.228.121.143]:13095 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727175AbfKUHOF (ORCPT <rfc822;linux-rdma@vger.kernel.org>); Thu, 21 Nov 2019 02:14:05 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id <B5dd6393b0000>; Wed, 20 Nov 2019 23:14:03 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Wed, 20 Nov 2019 23:14:00 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Wed, 20 Nov 2019 23:14:00 -0800 Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 21 Nov 2019 07:13:56 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Thu, 21 Nov 2019 07:13:56 +0000 Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7,5,8,10121) id <B5dd639340005>; Wed, 20 Nov 2019 23:13:56 -0800 From: John Hubbard <jhubbard@nvidia.com> To: Andrew Morton <akpm@linux-foundation.org> CC: Al Viro <viro@zeniv.linux.org.uk>, Alex Williamson <alex.williamson@redhat.com>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, =?utf-8?b?QmrDtnJuIFQ=?= =?utf-8?b?w7ZwZWw=?= <bjorn.topel@intel.com>, Christoph Hellwig <hch@infradead.org>, Dan Williams <dan.j.williams@intel.com>, Daniel Vetter <daniel@ffwll.ch>, Dave Chinner <david@fromorbit.com>, David Airlie <airlied@linux.ie>, "David S . Miller" <davem@davemloft.net>, Ira Weiny <ira.weiny@intel.com>, Jan Kara <jack@suse.cz>, Jason Gunthorpe <jgg@ziepe.ca>, Jens Axboe <axboe@kernel.dk>, Jonathan Corbet <corbet@lwn.net>, =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= <jglisse@redhat.com>, Magnus Karlsson <magnus.karlsson@intel.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Michael Ellerman <mpe@ellerman.id.au>, Michal Hocko <mhocko@suse.com>, Mike Kravetz <mike.kravetz@oracle.com>, Paul Mackerras <paulus@samba.org>, Shuah Khan <shuah@kernel.org>, Vlastimil Babka <vbabka@suse.cz>, <bpf@vger.kernel.org>, <dri-devel@lists.freedesktop.org>, <kvm@vger.kernel.org>, <linux-block@vger.kernel.org>, <linux-doc@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>, <linux-kselftest@vger.kernel.org>, <linux-media@vger.kernel.org>, <linux-rdma@vger.kernel.org>, <linuxppc-dev@lists.ozlabs.org>, <netdev@vger.kernel.org>, <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, John Hubbard <jhubbard@nvidia.com> Subject: [PATCH v7 15/24] fs/io_uring: set FOLL_PIN via pin_user_pages() Date: Wed, 20 Nov 2019 23:13:45 -0800 Message-ID: <20191121071354.456618-16-jhubbard@nvidia.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191121071354.456618-1-jhubbard@nvidia.com> References: <20191121071354.456618-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1574320443; bh=/H9b+aFChAqx04E818JcymcP2r9Q91gVxUQ0f1y3FiI=; 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=ae5eh6USUeLSTBA3O+2eYU5oJ3XYCWbHe/Atk9InBjJQPAiJ2wQqIfoYw9wA8OMtn h3do92KKTz0rl9Tepf6TWe96vAmLS338kH0quLHfmcbMtuCZuR2iXw8vZZvi1SPmjb HltRLeLOAwa3jsD5QpzamQ67sDkFEXNsUDkn0lXposvPhEgLQuwo0s4fotTM5sLPRg c60VUD+66DCi96WxpG6Z4X/QHJmppYMBgWg8Ghav1bAvtyAlpo5RFlealsnzwOYydQ sHRYpoPL2ANz4vgyhxnqLGgOJ+X6yMO33VkURFctks1LV+tbHvRAqHkZR/Q/J6vgZT 0tUDHRblYyXuw== Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: <linux-rdma.vger.kernel.org> X-Mailing-List: linux-rdma@vger.kernel.org |
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mm/gup: track dma-pinned pages: FOLL_PIN
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diff --git a/fs/io_uring.c b/fs/io_uring.c index 2c819c3c855d..15715eeebaec 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -3449,7 +3449,7 @@ static int io_sqe_buffer_register(struct io_ring_ctx *ctx, void __user *arg, ret = 0; down_read(¤t->mm->mmap_sem); - pret = get_user_pages(ubuf, nr_pages, + pret = pin_user_pages(ubuf, nr_pages, FOLL_WRITE | FOLL_LONGTERM, pages, vmas); if (pret == nr_pages) {