Received: by 2002:a25:868d:0:0:0:0:0 with SMTP id z13csp3801293ybk; Tue, 19 May 2020 13:17:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwUc9EJoF7SRVU/3Srh7RCEvC11AHd7BuBdhYiWEz9tI/y6ZDuI8dGP6qdPbR1Q4jZ1/goe X-Received: by 2002:a17:906:bc4c:: with SMTP id s12mr827537ejv.285.1589919434733; Tue, 19 May 2020 13:17:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1589919434; cv=none; d=google.com; s=arc-20160816; b=smV8r1JFemiPuQgO1hy8G/qWkjdawDn8fZpf+QPZL4T8rw4RiLYtJ0Ry48D3x8Qxc6 Gbww7Nb6qFQ3Hag0kOAGwREGDNvtPfOObn3Y9oUY3yyXPgZP/P/8/ch6m/Hl+4rLvvnO 1PgT6fPXpNRonx4rhFlfeWvTBIRe7OIG/6+qtPQ3qMGI2zcd8Ju7ed6/vUJhHCieDgvC vdNncRmReUNm4HQq7I0RKr90omXTXdu6AXvt0ChSsmfIeJgA9b59Z9k/kkVO1cdDE0ru RisGbeDHxRrQbM4L7ohwyCh0DjoXKQDJHMl57MHQIQC4WpbpuG/EcPUlyQzPQ74m1jqg jSDg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:dkim-signature:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=h4cufiww8/w8HkD/l4w692Ys6fjo7TCvsNPHCpacNHI=; b=JtifsqYre5K4xN6kW3IWlQ9N4VfvfXp/OjsUQnhmvIcZhjzs2x6O1fj2t1rpMoF5Ak S7WAw3l/uxUILLu07Wo77cktmMgVxSs6rVquakJ4f+O3PDzgvDofJkTcc2NOGZcj0iNQ g26Xr7hTODgo/g4ho4OOKtChsLjXIsp3b4PzKcCnKovjTqN3sDQ5MFSpTEdsYqYNa0ok +b85hXOcxf+Hh9PZLuPgAFkyz0vCVkrIF8R0/y7cv5VG/ywNodfo+ExLfGl6BBE7Knmq TWzq4f5jbjeNLIvUHzbQJJ0yijwWrwJ9HRp6lI9KLXpgpHx/xUpXtU12YS7AUZXI3H4h CRuQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nvidia.com header.s=n1 header.b=dCVmoykd; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j4si431445ejy.312.2020.05.19.13.16.51; Tue, 19 May 2020 13:17:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@nvidia.com header.s=n1 header.b=dCVmoykd; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726823AbgESUMM (ORCPT + 99 others); Tue, 19 May 2020 16:12:12 -0400 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:8004 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726348AbgESUMM (ORCPT ); Tue, 19 May 2020 16:12:12 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 19 May 2020 13:12:00 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 19 May 2020 13:12:12 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 19 May 2020 13:12:12 -0700 Received: from [10.2.90.179] (10.124.1.5) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 19 May 2020 20:12:12 +0000 Subject: Re: [PATCH] scsi: st: convert convert get_user_pages() --> pin_user_pages() To: LKML CC: =?UTF-8?Q?Kai_M=c3=a4kisara?= , "James E . J . Bottomley" , "Martin K . Petersen" , References: <20200519045525.2446851-1-jhubbard@nvidia.com> X-Nvconfidentiality: public From: John Hubbard Message-ID: <7440e420-009b-20cc-e1e6-7e2a212f65fa@nvidia.com> Date: Tue, 19 May 2020 13:12:11 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200519045525.2446851-1-jhubbard@nvidia.com> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL105.nvidia.com (172.20.187.12) To HQMAIL107.nvidia.com (172.20.187.13) Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1589919120; bh=h4cufiww8/w8HkD/l4w692Ys6fjo7TCvsNPHCpacNHI=; h=X-PGP-Universal:Subject:To:CC:References:X-Nvconfidentiality:From: Message-ID:Date:User-Agent:MIME-Version:In-Reply-To: X-Originating-IP:X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=dCVmoykdYEnMO/LJ4vZPj/vPDQ4DQTIkm8c8f7q9TgapeB1ly3TqfXiI2PdmWPdXG r+eSaXqSLlaX/O+dHMYBK3yDuxZRb6lAS30wyI5HPfNIBkI7FU4DrH5QooJGmExPgL RYS81XBSdciLDqJeg/MXIRrg8HEdbM+0FnFHzW24+sahiMy97WwAsY6OtnSyfPIy32 jD31T73s0zpQ33lR1vst0NDmybjgRPUu3nOXGi2JIJN2FLnjD4CDnvjlBxOWyBZ++T 6sLApM7R8geu3Nh+gOTnqu9Z/bwR126u8jWCLba2u6cERO4bVPLQ4qo8nSzpZgwpXp 7MpHhj+lTX6bQ== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-05-18 21:55, John Hubbard wrote: > This code was using get_user_pages*(), in a "Case 2" scenario > (DMA/RDMA), using the categorization from [1]. That means that it's > time to convert the get_user_pages*() + put_page() calls to > pin_user_pages*() + unpin_user_pages() calls. > Looks like I accidentally doubled a word on the subject line: "convert convert". I'd appreciate it a maintainer could remove one of those for me, while applying the patch, assuming that we don't need a v2 for other reasons. thanks, -- John Hubbard NVIDIA