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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 2724BC2D0EF for ; Fri, 17 Apr 2020 14:25:48 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BB1B520857 for ; Fri, 17 Apr 2020 14:25:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="gKw5eoYU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BB1B520857 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 7D2798E001E; Fri, 17 Apr 2020 10:25:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 75B128E0001; Fri, 17 Apr 2020 10:25:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 622D98E001E; Fri, 17 Apr 2020 10:25:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0239.hostedemail.com [216.40.44.239]) by kanga.kvack.org (Postfix) with ESMTP id 469048E0001 for ; Fri, 17 Apr 2020 10:25:45 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 01493181AC9CC for ; Fri, 17 Apr 2020 14:25:44 +0000 (UTC) X-FDA: 76717570650.26.tax96_4f3cb96019c15 X-HE-Tag: tax96_4f3cb96019c15 X-Filterd-Recvd-Size: 4156 Received: from mail-pg1-f181.google.com (mail-pg1-f181.google.com [209.85.215.181]) by imf47.hostedemail.com (Postfix) with ESMTP for ; Fri, 17 Apr 2020 14:25:44 +0000 (UTC) Received: by mail-pg1-f181.google.com with SMTP id r4so1184278pgg.4 for ; Fri, 17 Apr 2020 07:25:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=L6cWP5WK6ujku9y43wjaNC6S0VeElTh4yenPv8t29Ak=; b=gKw5eoYUIpd77RsZ9EA4/OBI5it3b4QtTk5w0WNiaVsQlhU0AvTC99Kwb6pyQrnZwb 8mkxqNjg6VEOZTZqnkLOebZlO/n/v5mMNjfkBB1cGO3Fx7O3pVDrmTfYyuyYufQ9ccR3 RtPWKLjDzCOGMUWt9saeSwmpszseuFa+iiXqlLA7QMz5NdgXvU//k288EsKe0YfAzi6u dvmxk+qgp7K7fE2PnVT7fvqSgeWduMN7B1pblLGgZqKs3H1NpzAxQ5FN/ffFSwvnE0Dr z0qCKxdTOrenMDSXdIXvCN19QGBDvsZe/1e/6pTgbuMcknn8YL4CeODkrzae32Dl8ywr FA6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=L6cWP5WK6ujku9y43wjaNC6S0VeElTh4yenPv8t29Ak=; b=jlSYYeS7dAsznYGJX6Stw1QUbBfq1Iio0WWjLcTCbVbr1bSzd0W8hWkUMNYqXgZVH/ sF75Fppy0r0EjbTPlpVpA+HDbaJ0ez1NSiFXooIympJyKn3c19IwBrb0F+x6h3oBrx0B GNiCYyiKkJ9xtujZPpD5BJCMiY9UpMOp8FPF7R8SmiH1Fb7zFWIhOcwuRb90TX0MgwKd xLsoy8DQa87zlB64iDAY4kTX01sBJ22ESUPZSEDvp4PM+nYniPB+vjCxu7TzQvRwndlk U3iAK4YjJJOfTbgYP0t/aY7msyKzVlbUgV7jCT4yhl/MKFeH95dJCvRDuTEnWakEfHCu oM/g== X-Gm-Message-State: AGi0PuYAQRdwRSAHJ7PeHNfFuKcVhZo/3hA9wMuYMiH468FvsHIGJQEg Jzp/Pa9yRpdGzOEQ7KRma5GgB5TzsOi7RA== X-Google-Smtp-Source: APiQypLk3UKQ7IlVU68RBsk4YcfumTB0+HNr5I6KmasWP50lwGXPB60OmHhJAmy9VXUBKXWGkLn5iw== X-Received: by 2002:a63:1662:: with SMTP id 34mr3312317pgw.117.1587133542614; Fri, 17 Apr 2020 07:25:42 -0700 (PDT) Received: from [192.168.1.188] ([66.219.217.145]) by smtp.gmail.com with ESMTPSA id r18sm579944pfg.120.2020.04.17.07.25.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 17 Apr 2020 07:25:41 -0700 (PDT) Subject: Re: improve use_mm / unuse_mm v2 To: Christoph Hellwig , Linus Torvalds , Andrew Morton Cc: Al Viro , Felix Kuehling , Alex Deucher , Zhenyu Wang , Zhi Wang , Felipe Balbi , "Michael S. Tsirkin" , Jason Wang , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-usb@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org, linux-mm@kvack.org References: <20200416053158.586887-1-hch@lst.de> From: Jens Axboe Message-ID: <8d314bc3-ea59-684d-2d34-20b152a36f4f@kernel.dk> Date: Fri, 17 Apr 2020 08:25:38 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200416053158.586887-1-hch@lst.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 4/15/20 11:31 PM, Christoph Hellwig wrote: > Hi all, > > this series improves the use_mm / unuse_mm interface by better > documenting the assumptions, and my taking the set_fs manipulations > spread over the callers into the core API. > > Changes since v1: > - drop a few patches > - fix a comment typo > - cover the newly merged use_mm/unuse_mm caller in vfio You can add my reviewed-by/tested-by to the patches, passes the io_uring regression tests. -- Jens Axboe