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=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, 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 DE22AC4338F for ; Mon, 9 Aug 2021 17:48:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B9ED46023F for ; Mon, 9 Aug 2021 17:48:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234506AbhHIRsn (ORCPT ); Mon, 9 Aug 2021 13:48:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34578 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234710AbhHIRsY (ORCPT ); Mon, 9 Aug 2021 13:48:24 -0400 Received: from mail-ot1-x32b.google.com (mail-ot1-x32b.google.com [IPv6:2607:f8b0:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B8B5C061798 for ; Mon, 9 Aug 2021 10:48:04 -0700 (PDT) Received: by mail-ot1-x32b.google.com with SMTP id d10-20020a9d4f0a0000b02904f51c5004e3so14520504otl.9 for ; Mon, 09 Aug 2021 10:48:04 -0700 (PDT) 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=A2px95SMcesFIY3yH8Hkh1h35ItkPNv43iTt1aYmQXU=; b=REKME+3+QDPTBCa3EVx69OLrFPYaUIAiVj5nJT1pCttvnIbY12ZEMyZ1oSfmcqYVso HZGTh/sBkNOcdwMPJkuw3gx0q2QsAXLz+WtsdRiekZF+sS0mc5lfAYG+5S6v2xxS4QOj VAqE0Tkm8BGcGBAw1W7hBFgxUk0z35fcqQXd0Ho9uBKfQ2jaU3Res5O0D3IYaOZal3jG xjYpIstjvobZCgLYKe3WZDYqAY4rC3uvGU83HP4h957VCULuOjHT0IUD4266yv2wF72I h6QoKPkmE7O3TL5+KP3feRsp28RUfuS/VJ7kAgwddgeP4XB235KLSKW/CugxjWSu7t0h H9fg== 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=A2px95SMcesFIY3yH8Hkh1h35ItkPNv43iTt1aYmQXU=; b=VEpRYjjrTTVEdGofEMJ1iZkOqripauKmGRvjWFpDcQFioIx8FOipLlOlIKV/daGCAy hDOws5ETbNg29q8wOI02o/3MZkwd9v7v8goIJhUDrdRqkfpBsaYY014NKwtKRjdrxpDp Qc+IAnIEHgTNko64+FBBh+QqDsmT2V3NBikyLtHlTKdyRiIeJyax3HXqM2wg072SR0hG t8iN0m3Fq8t3izC2H0KJqsqd0iH+w6t8onQT0esUmZINe07HyLO6ehlh0hLWO/dSJmOF NUtn34T43oVuqZQOVhPX1+lUWmmA2b8kdGqrVVlZaBrMSd2TjV/ykEPQT4kHaxpd24gc 8Pvw== X-Gm-Message-State: AOAM533HMW+TmIin9/2gF39TmfLrHMgdzfq85LxuJFgmpEBw9FKu/fQc d+j4oJUECryAJMic5N++kj9v79eXbrAG9S4/ X-Google-Smtp-Source: ABdhPJwjFltayVHAA4mm80Qvbbdypiq5kwZB+TkoaA93VK5zXNOZPQsrMXGl7tEuu7r1zCTCZJihfg== X-Received: by 2002:a05:6830:245c:: with SMTP id x28mr14275791otr.227.1628531283226; Mon, 09 Aug 2021 10:48:03 -0700 (PDT) Received: from [192.168.1.30] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id d7sm2856148oon.18.2021.08.09.10.48.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Aug 2021 10:48:02 -0700 (PDT) Subject: Re: [PATCH v2 00/28] for-next patches To: Pavel Begunkov , io-uring@vger.kernel.org References: From: Jens Axboe Message-ID: <2175a9ff-68de-e9a7-ddae-fe232c11fe66@kernel.dk> Date: Mon, 9 Aug 2021 11:48:02 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 8/9/21 6:04 AM, Pavel Begunkov wrote: > 1,2 -- optimisation with kvmalloc()'ing file tables > 4 -- optimise prep_rw() still touching inode with !REG fixed files > 11 -- a small CQ waiting optimisation > 20 -- put_task optimisation, saves atomics in many cases > 23 -- helps req alloc sustainability, also needed for futures features > > All others are cleanups, where 6-28 are resends. Applied 1-20, stopped at 21 as that needs a re-spin. -- Jens Axboe