Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp8635517ybl; Thu, 16 Jan 2020 21:28:16 -0800 (PST) X-Google-Smtp-Source: APXvYqz2LOpN8cJkx1jyrHxgELjX/w6MIp50Ij8dLSlJK8NpO3Em1T+3ee24xtmjgSjV1zYnMfpv X-Received: by 2002:a9d:7c8f:: with SMTP id q15mr5000450otn.140.1579238896613; Thu, 16 Jan 2020 21:28:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1579238896; cv=none; d=google.com; s=arc-20160816; b=OJxnqdZ8dK7H8uZSByPeBEDrYVBLX8JVgTt/KoZRXjzcmsTezje2cg0BzT4sL1RnVf LBLjyFfhSFZKPF3t0RpQPMkgk0XdgOo3PszqnJP2FFPU+wr08E2FTeh72KR5YhoRIH1C ZcnOgbMg/f5SvgoypQPOaHQVE3OYsH7u6g2d4lvRY0z1SfOeYtlY0o4gtVysZzwzaBDi PqG5pyYyKmkyUnW5OwNMfbMJFXGt5jljfCotVOyEqGNZ5x6st821uo2f+CakkWYSvAYE hIUa75WeBmlA3MtfiHDInoSOboiHXeU2k3mNJrJjQHpwHlbaHu86p+R++TOzvT5ZQ7aN 2+Vw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:to:subject:dkim-signature; bh=A+4aYu/f+LLI3Jw91RLfV6RdAoA39tW2N/DHyvDL3Ik=; b=OpHtPajFl+/w9wW2LT/37+Aez0U/eN9MNyJd/NUULd0r0DNmXBqbiSLXTB1lUJBOfV 4wpNu6ctudyyaf+Po6H2bBWKNjfBORERMSwIHiVrNW33AtjMuLj3rZIEtKxnvrJm47LS JCqqFStlSwTVU/tenlxWuHcOUhWr7JXs3Xwoe+pyk3cvZt5wDyUmt8jDLo5GwFL1cuR/ 9JdaHnL0pXPfK5oZDlwhGkMZwnhVfKg0hI92mNhkoaI3k9XjXnumUoMSlDo/YTNI2V0R NTCdzlEA5ZNvGbEBpZk9eM8iTXC4yghoRCmrzJyvBnLLE4/3ZFQjOn5RuEAsoIZK1cGB pj+A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=sxc0BE3O; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a205si13231097oii.95.2020.01.16.21.28.04; Thu, 16 Jan 2020 21:28:16 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=sxc0BE3O; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726890AbgAQErc (ORCPT + 99 others); Thu, 16 Jan 2020 23:47:32 -0500 Received: from mail-pg1-f177.google.com ([209.85.215.177]:40412 "EHLO mail-pg1-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726343AbgAQErc (ORCPT ); Thu, 16 Jan 2020 23:47:32 -0500 Received: by mail-pg1-f177.google.com with SMTP id k25so11041154pgt.7 for ; Thu, 16 Jan 2020 20:47:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=A+4aYu/f+LLI3Jw91RLfV6RdAoA39tW2N/DHyvDL3Ik=; b=sxc0BE3OoszJC5FcjG40xTs59ymbvxykkUk8mBvmvm13L2O1sRFFxW7xoQbhpSHgf5 zBpes8RCdcKhjcpAYj+e1ZpMYfNZb+V3G9DsJxiAOG7j3D06dMgyaXqV6aXcGkpliwi3 +O7pml11pdBF8JcPPKcJ5hhqz53FCSgApNqw1/SVeIJFPNbpz+SBuBC3cD8mtpZwOewv FmCsN7Y72mFfR7chMz/5lm3hczCSBAA81+964CHZyVYUER3aw2clkom8/7Ul9tP2abxW c6A37jME6MCwBQ4tjff8WLidrVhe/bqqnDNBYqfQMtgGA8zhJBp6z6SfrQxSpSBPAYpp vzRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=A+4aYu/f+LLI3Jw91RLfV6RdAoA39tW2N/DHyvDL3Ik=; b=DtRFGq3OQeQqiLs4uKj8Rhs91vYly+qpW5rM0Hu+ZyqDcnkH2IvdvPZzndCpQpC5YU spzjzdhoM9kdayoBHhmh0WByU9Lmx5Vg0W7DmQ8SHbrUYF1B0YmqgOP8+GsMYX0EnxkS QvXqdz2mHuW6d+YPanG0aBKYOHDcBqtR4Maceq5Is+DY0ephzjtnxubllNWoYkvXdPdj d8Adc1FBlrP8Wd2rkQd28mpPT8PUKGl81q2Q+cEExHC1N9GgxlhlhAe3/szp8nRZqMq9 8jD4ahGcGbPjqUbSlZkrIvIPeiM/ocRYibxT/j4xaDV/s9paASsNt0oFPH8PY+JxJg2w hb2A== X-Gm-Message-State: APjAAAVphyhksfdQWq+G8jy55mOZVVciIw/x5YepuJg59544nXmyivzo RMpebRVUxu+f4yj3J0eGWS9CKUaPVaA= X-Received: by 2002:a63:d906:: with SMTP id r6mr43590024pgg.440.1579236451548; Thu, 16 Jan 2020 20:47:31 -0800 (PST) Received: from [192.168.1.188] ([66.219.217.145]) by smtp.gmail.com with ESMTPSA id z26sm28299448pfa.90.2020.01.16.20.47.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Jan 2020 20:47:31 -0800 (PST) Subject: Re: [PATCH] io_uring: hide uring_fd in ctx To: Pavel Begunkov , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org References: <2aefced4902f33f2b70aaedc32bc8d60a20efd7a.1579225489.git.asml.silence@gmail.com> From: Jens Axboe Message-ID: Date: Thu, 16 Jan 2020 21:47:29 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <2aefced4902f33f2b70aaedc32bc8d60a20efd7a.1579225489.git.asml.silence@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/16/20 6:45 PM, Pavel Begunkov wrote: > req->ring_fd and req->ring_file are used only during the prep stage > during submission, which is is protected by mutex. There is no need > to store them per-request, place them in ctx. Thanks, applied. -- Jens Axboe