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[209.132.180.67]) by mx.google.com with ESMTP id t3si1165367oth.247.2020.02.05.18.51.35; Wed, 05 Feb 2020 18:51:48 -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=JR6HUENY; 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 S1727723AbgBFCui (ORCPT + 99 others); Wed, 5 Feb 2020 21:50:38 -0500 Received: from mail-pg1-f196.google.com ([209.85.215.196]:39515 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727474AbgBFCui (ORCPT ); Wed, 5 Feb 2020 21:50:38 -0500 Received: by mail-pg1-f196.google.com with SMTP id j15so1957117pgm.6 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=eKDSWn2C+6L9K0Kc7waRgF4KlK6gHUf8RU/0TIXt817Cb+NBQYLtksPPD7bGjeex1+ //nKASo9pwVNIIv7Nfp28L3uvTd2noL9tdAgOov3JmNxoBfnTBHYh4DJYLhwYqyxEZjU oRL52jBPYHN/YtWFJJHToXIoInNyPmVgNxdCuNGQ3fzoHOrSDcPV1uR8NnCy3XACzvLa lT1fQQEHyGRqUgw0GzBSz1KhZpLUJMqh1OvXEOgSP6Ywx+deoMxROPsZCPacA+hodk/O XePNBfxcgEXd95gfyMk9NOIwLMuoMzgwNq5IK5bjto7XSUmieX8uoGbck3/Y0QTP57aI Pxpw== X-Gm-Message-State: APjAAAV9+Mtj9y0dF+WFxK+mlfuLPJRh9llmPDFUkf/oh2ryDn1ZZ9Oj utNYNzqv61pTmD2dAkYy3/mrfBfFKj0= 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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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