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=-2.3 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 22B12C35247 for ; Thu, 6 Feb 2020 02:50:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E02B320661 for ; Thu, 6 Feb 2020 02:50:38 +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="JR6HUENY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727548AbgBFCui (ORCPT ); Wed, 5 Feb 2020 21:50:38 -0500 Received: from mail-pg1-f196.google.com ([209.85.215.196]:37001 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727307AbgBFCui (ORCPT ); Wed, 5 Feb 2020 21:50:38 -0500 Received: by mail-pg1-f196.google.com with SMTP id z12so1956854pgl.4 for ; Wed, 05 Feb 2020 18:50:36 -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=Qegq55lPgC0BXvUu/wXUbnt5DmIBr/mqJPSuK0MffVE=; b=JR6HUENYiKJlHLAt10j6UEXGf3D/qSOezkF4iUhK0bzQ9dbse5/E3WSh8ir9qlqpH5 jf4Fp/+LIvHw1my1Bvn/J9G5j1LJNvxWv4Jke5XorIRuaL1STjelYKuXD0yhKYhM5oBw tHwkq0A/2rKVfz50tVXipbh+lZ7Ri8oOl9Gg4orJ7kQoLc8Q1PFB3f8OpZAuA0mCShMT UE9cWtY4R0Fhfu/ZX2vkChVRCAIBpQoIBFmVWnp+QpW1ayTn9Cuh/rGcMKf9U8d1JGbB uB5+ZCLlmO2IQmLiJgmXQ9s+Y0Yuri2EVVvLxAkjul6eu9kMo6OxsCuIFBVDj7w3x1Uf cprg== 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=Qegq55lPgC0BXvUu/wXUbnt5DmIBr/mqJPSuK0MffVE=; b=Re8oOoTilmTTNiVBA1+c5f9EWPZEZywjKQ1yxVCP1lVqgsudUkEdzyPyjRDubJFj1N vT2jlS5PqC2+Us3tsJgcLHKV7bqhmQQqeIyeDrMh+fqIMulSmTqnTX4ZvvG3dvJ0kPci sQ550Zft2alZYsaaZaEYhsuP6FIYKLsbIskQgGu/hoeirjXtvPXfFQ5P2iTp8Mu31FfN dYRhlnuG/boeaiDucCGlcA7zEHxh7TwIdYoUstHQ/cT9Wf1G9WiH68zIn3haw2CHRWc2 dpQyXcaYjm4DpJqEWtlgAzVtA51otF8rIF7QOME6ktOfE0C8wba90bLH2aebwRd5Mfs9 nfIA== X-Gm-Message-State: APjAAAXsN0kM/GmKMWhz1jBnA2EkE/CIrhWYEr92FnV22CJTAwGGBIcV QC11cWtT3wK3hVVyhXYT1/FCfw== X-Google-Smtp-Source: APXvYqzQURvopbf2xHH7Ke3u3nMN5PBZxuBr5Xtzix0A+O1jwajcJtRtzMV8Uay8e5JjI0gkfxmlog== X-Received: by 2002:a63:6a02:: with SMTP id f2mr1183633pgc.219.1580957436182; Wed, 05 Feb 2020 18:50:36 -0800 (PST) Received: from [192.168.1.188] ([66.219.217.145]) by smtp.gmail.com with ESMTPSA id v8sm851074pff.151.2020.02.05.18.50.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 05 Feb 2020 18:50:35 -0800 (PST) Subject: Re: [PATCH 0/3] io_uring: clean wq path To: Pavel Begunkov , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org References: <1fdfd8bf-c0cd-04c0-e22e-bc0945ef1734@gmail.com> From: Jens Axboe Message-ID: <8c0639c6-78ad-6240-0c18-d3ef8936e2f4@kernel.dk> Date: Wed, 5 Feb 2020 19:50:34 -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: <1fdfd8bf-c0cd-04c0-e22e-bc0945ef1734@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 2/5/20 3:29 PM, Pavel Begunkov wrote: > On 05/02/2020 22:07, Pavel Begunkov wrote: >> This is the first series of shaving some overhead for wq-offloading. >> The 1st removes extra allocations, and the 3rd req->refs abusing. > > Rechecked a couple of assumptions, this patchset is messed up. > Drop it for now. OK, will do, haven't had time to look at it yet anyway. Are you going to do the ->has_user removal? We should just do that separately first. -- Jens Axboe