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=-6.6 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 96598C433E1 for ; Wed, 19 Aug 2020 23:59:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 667D220888 for ; Wed, 19 Aug 2020 23:59:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="gpbMdWDd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726732AbgHSX7P (ORCPT ); Wed, 19 Aug 2020 19:59:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54022 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbgHSX7O (ORCPT ); Wed, 19 Aug 2020 19:59:14 -0400 Received: from mail-pj1-x1041.google.com (mail-pj1-x1041.google.com [IPv6:2607:f8b0:4864:20::1041]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A17D7C061757 for ; Wed, 19 Aug 2020 16:59:14 -0700 (PDT) Received: by mail-pj1-x1041.google.com with SMTP id 2so165877pjx.5 for ; Wed, 19 Aug 2020 16:59:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=j725WwtlabuWLqYj1RC375p05vg0VyfQqgbjcc1E20U=; b=gpbMdWDd1F41eqn99wPm8l1j+W+XZF0hntjY+itZgt1YrMn3B0aYpfCz8ntslu455t zCA3i8tvlgm86rWGc9kby93dNCmPT4UZiXntTOyW0UgDRGlkSxEofeSqiJmS9Huo9ciu +evIAm85FN7LOrEj6vCWYsGTs6oROLaWqdpq6f2Q9PseuFdAbXeJ6sDoLMa8KZ4rAERk TakB4nUZINTiPR8I3+GZq9XK0W7PsZ58paVDPEpWm0lz9NOM/qOrtxGwUilLN4pOVHPi Tb+ZHSqwtUC9L80dOHq8IOA3Z9bZNDMjd7bn83pYzDLZzpcf3DbWsGO1slw0rHB4EvQ6 HLdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; 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=j725WwtlabuWLqYj1RC375p05vg0VyfQqgbjcc1E20U=; b=uYCYc9UE7a5FPZ5am+GmcFlmVpo08Zxfpp5PG0Y4O1gG9Q6qrb8BcpWZxlCokaYn1q Yh0zOP+ztAc+HT6sMqtKm/ysHXb2mlU2ltQoAziaU6skOFHyJ8tP9E0IMLBdZE2ouJ9J WWW2pX1Jewl2QVpfHwnELmMBnyIBHXeD+Mj6qmSoExdK05OGkxBNuhvZhWCIG3hsSNK6 /IIgGRgnri4+lM4+vjr+xylsruYnm3a4NWt7KumKXVR9hrAepScu8jqcKJKc30Zx+mQW oOXd+oEN63LVPkjWz5y8iufU+YL51kRVgkaWwTkTO0GiveJO2/DxxF/jFkhR+i+VrwqP ZQxQ== X-Gm-Message-State: AOAM532zLU1mKpcfj3Sao7wXKq737BLJ9c92aanDWvPZAKS4/WD81jyu V2mJDce5NzyoiURie2LNGe1ihA== X-Google-Smtp-Source: ABdhPJw3hq4CSx5myJjCPwUfsMlICDiiKHt0KId3QeTo6QktX+l2OW2kI7gcZxdmBb5Y0K2woEiiAA== X-Received: by 2002:a17:902:d883:: with SMTP id b3mr508688plz.154.1597881553795; Wed, 19 Aug 2020 16:59:13 -0700 (PDT) Received: from [192.168.1.182] ([66.219.217.173]) by smtp.gmail.com with ESMTPSA id 22sm300501pgd.59.2020.08.19.16.59.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Aug 2020 16:59:13 -0700 (PDT) Subject: Re: [PATCH 2/2] io_uring: use TWA_SIGNAL for task_work if the task isn't running To: Sasha Levin , io-uring@vger.kernel.org Cc: peterz@infradead.org, stable@vger.kernel.org References: <20200808183439.342243-3-axboe@kernel.dk> <20200819235703.AA48120B1F@mail.kernel.org> From: Jens Axboe Message-ID: <073069ae-6de9-811d-b22e-c4d992ba3110@kernel.dk> Date: Wed, 19 Aug 2020 17:59:11 -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: <20200819235703.AA48120B1F@mail.kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 8/19/20 4:57 PM, Sasha Levin wrote: > Hi > > [This is an automated email] > > This commit has been processed because it contains a -stable tag. > The stable tag indicates that it's relevant for the following trees: 5.7+ > > The bot has tested the following trees: v5.8.1, v5.7.15. > > v5.8.1: Failed to apply! Possible dependencies: > 3fa5e0f33128 ("io_uring: optimise io_req_find_next() fast check") > 4503b7676a2e ("io_uring: catch -EIO from buffered issue request failure") > 7c86ffeeed30 ("io_uring: deduplicate freeing linked timeouts") > 9b0d911acce0 ("io_uring: kill REQ_F_LINK_NEXT") > 9b5f7bd93272 ("io_uring: replace find_next() out param with ret") > a1d7c393c471 ("io_uring: enable READ/WRITE to use deferred completions") > b63534c41e20 ("io_uring: re-issue block requests that failed because of resources") > bcf5a06304d6 ("io_uring: support true async buffered reads, if file provides it") > c2c4c83c58cb ("io_uring: use new io_req_task_work_add() helper throughout") > c40f63790ec9 ("io_uring: use task_work for links if possible") > e1e16097e265 ("io_uring: provide generic io_req_complete() helper") > > v5.7.15: Failed to apply! Possible dependencies: > 0cdaf760f42e ("io_uring: remove req->needs_fixed_files") > 310672552f4a ("io_uring: async task poll trigger cleanup") > 3fa5e0f33128 ("io_uring: optimise io_req_find_next() fast check") > 405a5d2b2762 ("io_uring: avoid unnecessary io_wq_work copy for fast poll feature") > 4a38aed2a0a7 ("io_uring: batch reap of dead file registrations") > 4dd2824d6d59 ("io_uring: lazy get task") > 7c86ffeeed30 ("io_uring: deduplicate freeing linked timeouts") > 7cdaf587de7c ("io_uring: avoid whole io_wq_work copy for requests completed inline") > 7d01bd745a8f ("io_uring: remove obsolete 'state' parameter") > 9b0d911acce0 ("io_uring: kill REQ_F_LINK_NEXT") > 9b5f7bd93272 ("io_uring: replace find_next() out param with ret") > c2c4c83c58cb ("io_uring: use new io_req_task_work_add() helper throughout") > c40f63790ec9 ("io_uring: use task_work for links if possible") > d4c81f38522f ("io_uring: don't arm a timeout through work.func") > f5fa38c59cb0 ("io_wq: add per-wq work handler instead of per work") > > > NOTE: The patch will not be queued to stable trees until it is upstream. > > How should we proceed with this patch? It's already queued for 5.7 and 5.8 stable. At least it should be, I'll double check! -- Jens Axboe