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=-10.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 A0675C11F65 for ; Wed, 30 Jun 2021 21:18:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 84791613E0 for ; Wed, 30 Jun 2021 21:18:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233859AbhF3VVP (ORCPT ); Wed, 30 Jun 2021 17:21:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233799AbhF3VVP (ORCPT ); Wed, 30 Jun 2021 17:21:15 -0400 Received: from mail-io1-xd2b.google.com (mail-io1-xd2b.google.com [IPv6:2607:f8b0:4864:20::d2b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 31E21C061756 for ; Wed, 30 Jun 2021 14:18:45 -0700 (PDT) Received: by mail-io1-xd2b.google.com with SMTP id i189so4885706ioa.8 for ; Wed, 30 Jun 2021 14:18:45 -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=AeG31Vp1XyiSS7mZSPqEneE5estaaJkzU46Bfe6TY9A=; b=h8wbtSmGiousEsROsQsdWVsGuJUco8g9ZaAd+AtHzRR5KhFkk7mR00CsdqQFLzB6OE j6elhhCJMu3xTCiTJ5BqZvVhxLtBrLpJaedmPZQWjQtl28nNn6g8AGiQarmQKftSgn3U hAV/Jgk5kbRVEBPq34slDctVSk/DqPSXWN2vhZ2alOUWpL69CrJMRimkIjDTrx4ExnkX NVdSFIR3vwJXLYy0hsG4VRt7CPJAfF/hUG/LXYiGicVztlCO4BSPQ3G870LPk0uXC2Vm d4ulIFd743j9lbfVohFC2ItNFESLJ2mSmbu3BNxp7HafIzIhY2BOFSwry+eZhZOuGdJc cY/A== 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=AeG31Vp1XyiSS7mZSPqEneE5estaaJkzU46Bfe6TY9A=; b=ne0XyNn1DBPynFPdD3gbYKx3PS5BovfpGczzD+9Ndk8iJSMnP8IHDCDBBQ+cRDS6bN +6Fssj3iEYsuhCnnhmLLmHBmM9we0j522A4GeQ1cCS/1g5c1/J4WyLn8Ys/vU1IWY493 ag09Ir6nYkXWVuGppKErwKK2FdidY3CaFjyApucL5aGHZIKDhSnm5wz4kRErvK7qVFcW RhbOav2RIeQiS7fFD+2dKfANfSHW6mhUX5AakP4DGoSBHV4aK2C/4dgnU2s0dOF6UnXn QlH8hPZ42iFyPyu9R1iYzQ50PfvbJbAPTzLmTsJ0CRhsmLbVLX+raBUr2L6ByqMzmdr+ IVPg== X-Gm-Message-State: AOAM532pYvu34xllbAP4++Zb+17YFDPzeURzC2GPoOsnawGWuuEWo3h2 DzjaGyOt1Fbvl1ngTKQCM4ee791fXcOIsQ== X-Google-Smtp-Source: ABdhPJyVJfPTvBA+eafBfaBv+Yn6AIiWWX3S+Mv8h/+27e91pe3fG3VwRfy+nSIcb1136tugdu2cIQ== X-Received: by 2002:a5d:85c1:: with SMTP id e1mr9107301ios.18.1625087924436; Wed, 30 Jun 2021 14:18:44 -0700 (PDT) Received: from [192.168.1.134] ([198.8.77.61]) by smtp.gmail.com with ESMTPSA id g1sm3012645ile.35.2021.06.30.14.18.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 30 Jun 2021 14:18:44 -0700 (PDT) Subject: Re: [PATCH 5.14 0/3] fallback fix and task_work cleanup To: Pavel Begunkov , io-uring@vger.kernel.org References: From: Jens Axboe Message-ID: Date: Wed, 30 Jun 2021 15:18:43 -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 6/30/21 2:54 PM, Pavel Begunkov wrote: > Haven't see the bug in 1/3 in the wild, but should be possible, and so > I'd like it for 5.14. Should it be stable? Perhaps, others may go 5.14 > as well. > > Pavel Begunkov (3): > io_uring: fix stuck fallback reqs > io_uring: simplify task_work func > io_uring: tweak io_req_task_work_add > > fs/io_uring.c | 131 +++++++++++++++++--------------------------------- > 1 file changed, 45 insertions(+), 86 deletions(-) Applied 1-2, thanks. -- Jens Axboe