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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A88AEC433F5 for ; Wed, 3 Nov 2021 12:24:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8AE3361108 for ; Wed, 3 Nov 2021 12:24:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231869AbhKCM1E (ORCPT ); Wed, 3 Nov 2021 08:27:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232098AbhKCM0y (ORCPT ); Wed, 3 Nov 2021 08:26:54 -0400 Received: from mail-io1-xd33.google.com (mail-io1-xd33.google.com [IPv6:2607:f8b0:4864:20::d33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A8B4C0432C8 for ; Wed, 3 Nov 2021 05:23:05 -0700 (PDT) Received: by mail-io1-xd33.google.com with SMTP id n128so2439154iod.9 for ; Wed, 03 Nov 2021 05:23:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=DrOhpIctO7PhQ7YDylmNaRziU4qxlandQOuzAvwA6Gg=; b=nzGiv4ff8p/vtNP+vuCrSxOs+ifVucT0lJ2It127pujtvQ2kAQTQvAOa9y0diqhUju zND+EZV0/yNoV6BgW5TzHyxd5SuMRNzVeuBUSqQQaalC1S0X+g0F7pJMZL3LH8znwSSh 0cGGZzCPrjDxLKe/JNmWJukAFCy5pXl/FAzd2w9t3YTe1zC/jQWP/RbKd8UnCUQKU3Wb VVq7BZ81KqY1aVXHqOkXwSx6aVHxcA8/rVJDXfkl5E5k+l6ddoKpF/1IRwr0KauIqnJj YWVS+U5GHmzyJTk8I83BweLDaU5VwC7Ji7BRRwFOdYln8M0eI8kRzMeyHflCnfoX9M5X djuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=DrOhpIctO7PhQ7YDylmNaRziU4qxlandQOuzAvwA6Gg=; b=3BK7pNbL8NBGkujgzKuvAsyWs+/mDBeRcY0mfB/ChOknNnA7egOL+RFKVKXf2UdPsW GJpgKzH8cvlpzpWtaQx/9klNjbyz0SgIEb/3vjqN1GYOI50kigW798Essc8v/w7M7oyI OKE2WPHlgf7Z3ftQUu1uk5i2Wz39ujaMv0S3zUVaRYj5Ij+sYjdeplM7vv/oYxAPlxD3 4PTeCvtP2A3wDcWVKtQpFn3O31zm+YGXCi8Psyo89Xdi4CVBIh1HARumqEMe7Rsu7VPJ AyPNTgXaWVIMmP98GnmiPFS3uqTQ/iiIWD5WQygND7vS7k1s3aCShon9Ok1nTVjZWYEI 7Ddw== X-Gm-Message-State: AOAM532cA7PNjVkjyEBzbg+qUX/hSvzbUnuVWVkfgyyYZECNd9ki/tnA yeChFI8Vfdv87WBTRkM5b27pqg== X-Google-Smtp-Source: ABdhPJzPiGS7fdjlMQ39eXTDd0OEScccbJemtK8GqutFnWINWUSFcROHYqM1VuqXLzgbXWP3XkDz2Q== X-Received: by 2002:a02:cb42:: with SMTP id k2mr18747570jap.25.1635942184737; Wed, 03 Nov 2021 05:23:04 -0700 (PDT) Received: from [192.168.1.116] ([66.219.217.159]) by smtp.gmail.com with ESMTPSA id q1sm1028716ilc.88.2021.11.03.05.23.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Nov 2021 05:23:04 -0700 (PDT) Subject: Re: [RFC] io-wq: decouple work_list protection from the big wqe->lock To: Hao Xu Cc: io-uring@vger.kernel.org, Pavel Begunkov , Joseph Qi References: <20211031104945.224024-1-haoxu@linux.alibaba.com> <153b3bed-7aea-d4bb-1e5b-ffe11e8aabc1@linux.alibaba.com> <3c633538-7469-dc8c-561f-9fed7bfa699e@linux.alibaba.com> From: Jens Axboe Message-ID: Date: Wed, 3 Nov 2021 06:22:58 -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: <3c633538-7469-dc8c-561f-9fed7bfa699e@linux.alibaba.com> 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 11/3/21 6:17 AM, Hao Xu wrote: > ping this one. I'll take a look at it, we do have some locking concerns here that would be nice to alleviate. But given that the patch came in right before the merge window, probably too late for 5.16 and I put it on the backburner a bit to tend to other items that were more pressing. -- Jens Axboe