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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 B3D3CC433E0 for ; Fri, 12 Mar 2021 21:35:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8417C64E66 for ; Fri, 12 Mar 2021 21:35:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235258AbhCLVe2 (ORCPT ); Fri, 12 Mar 2021 16:34:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38304 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235186AbhCLVeW (ORCPT ); Fri, 12 Mar 2021 16:34:22 -0500 Received: from mail-lj1-x232.google.com (mail-lj1-x232.google.com [IPv6:2a00:1450:4864:20::232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C7FEAC061574 for ; Fri, 12 Mar 2021 13:34:20 -0800 (PST) Received: by mail-lj1-x232.google.com with SMTP id f26so9092425ljp.8 for ; Fri, 12 Mar 2021 13:34:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=XifN/itEDg7LzwjfFtkmbuMe5vlwdjgDoMo87vRb1hg=; b=O1cHMWcld4qmaSbKYcMun33NWVQqbIkgMXuza3w2kQuFbv82Rhmkz2Cm+ztnSNlbf7 8EqJUmMBYoC6YF/b41ha1K+Yn0sUbcVyaOELgQQ1E6oOSqH1mbErpuGngeJpeKZX0P5K cuU8xjp+iWjvWeAyymnaYnlRW40ugGdtieWKs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=XifN/itEDg7LzwjfFtkmbuMe5vlwdjgDoMo87vRb1hg=; b=YeNGI+sJOfu06B76TjmtSWkinqxnWWmQp/JGx3+xUQvk4hekGXrlTUHMK0aV/rlETk /ov59vKd33Uw4/WJI299tTmlbGv8e9WiI9hBhZ3+tZrrwOtjLkK5p133mB4AzcahYL0i nrozmPptpqdSJECBkJHy7FnYnYg/SyvXmW6i3Nbzt332ZirTzUHfk6J3loM9Sg//sBQE Y2V0ueKXH2rR45lwct0ggkwulExDk4IcuLqrT+VcLmaK/sZEAeo6leXxB/eU5wDDoR+I Pz6EySCtLfkuwL2mDRNtAJLR/3IUd05iXf1Gth0s4IzTcSmZ/OvvXGT2nANP9WZsYbNW ec6w== X-Gm-Message-State: AOAM5336awhziymOt3QSpwpt0U5a46QJNinNjOHMBHwSDvMdqFslvRz3 ktimMCFBJFJrxcpMQd5z0Zc5qHNJgGF3vQ== X-Google-Smtp-Source: ABdhPJyf4BPZkytDRPYnrqQ4rHq+vWu5VgifDYfKRrfYpNzIwfAETQNqgecvPtYS1fS1Tc07yq7mrQ== X-Received: by 2002:a2e:bc1e:: with SMTP id b30mr3759298ljf.18.1615584859074; Fri, 12 Mar 2021 13:34:19 -0800 (PST) Received: from mail-lf1-f44.google.com (mail-lf1-f44.google.com. [209.85.167.44]) by smtp.gmail.com with ESMTPSA id f3sm2113344ljm.5.2021.03.12.13.34.18 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Mar 2021 13:34:18 -0800 (PST) Received: by mail-lf1-f44.google.com with SMTP id v2so34477165lft.9 for ; Fri, 12 Mar 2021 13:34:18 -0800 (PST) X-Received: by 2002:ac2:58fc:: with SMTP id v28mr643415lfo.201.1615584858189; Fri, 12 Mar 2021 13:34:18 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Linus Torvalds Date: Fri, 12 Mar 2021 13:34:02 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] io_uring fixes for 5.12-rc3 To: Jens Axboe Cc: io-uring Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Fri, Mar 12, 2021 at 1:25 PM Linus Torvalds wrote: > > Note: I've pulled your tree, I just want you to dig deeper, verify, > and check this for perhaps re-instating freezability. Also note that I don't think it's _just_ that freeze_task() thing that is needed for the fix. I think the io_uring threads then need to do the whole "try_to_freeze()" dance in the main loop or something, so that it does actually freeze. Linus