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,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,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 5E5BBC433E0 for ; Wed, 24 Feb 2021 16:25:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C49464DA3 for ; Wed, 24 Feb 2021 16:25:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231880AbhBXQZM (ORCPT ); Wed, 24 Feb 2021 11:25:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231895AbhBXQYz (ORCPT ); Wed, 24 Feb 2021 11:24:55 -0500 Received: from mail-io1-xd36.google.com (mail-io1-xd36.google.com [IPv6:2607:f8b0:4864:20::d36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BC43C06178B for ; Wed, 24 Feb 2021 08:24:07 -0800 (PST) Received: by mail-io1-xd36.google.com with SMTP id f6so2567423iop.11 for ; Wed, 24 Feb 2021 08:24:07 -0800 (PST) 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=CuDukGtTqpFQ10aZsFKTc4QE+YxIfa/qMLoFHD2Isyg=; b=Uy0rmqhm48ljoUOR/CgWfn6zV9KA8ivxJ9UUVnJQOp2YqY+VxP5xfmUO55c5jU1oF+ b9p6MOueZdYi7Uv44ufx0M8E7bDWJlQbOHjqeuHaNfJ41WFN/IKQlz3mrQMojQioUw/m pKAkufCV/WGL+g+ijjZJR3wgi4TO0Zl1+7Re92yWtSgan0Chnl3EpU/s7hnbwd/Z/L+h 27K4UEpqIoIM9m0yiNlRpQ/58w3IBnrzMN+ZyKK2gXA8I/xtC6+qMH+wXD4uKbKM0wM6 JGInCOQHfI2ZaKHEn1r/dGwVMlO2QKx8XaWNm2OguwsyOwEevTVm+HClsrc2LrN7fO74 Fyiw== 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=CuDukGtTqpFQ10aZsFKTc4QE+YxIfa/qMLoFHD2Isyg=; b=JClD3FLgC1NmG00QUjsxgKPoDSRUwak4GYLSdDzD0l3SYtKGNo2p85suGHqpO45dAL nRbIqb594QG/RU1JyuuevanE0NtsHw74PsxYwW5HjD7h65agoDK85E4oqkMDTJwE+22U hyn7RtMp8+o45WeTfYVB6rB2/57WIYjZEND/s0yFDlK5hA4AIUFxbLIut/MVu/POgJG9 DWPloJXEb+HQroNjN9FBEBlRqUm/fuT+U9wuY6/6qoRq3d+m24VGKRKZg8a2Zq/rNuWW iWZYtOFUOagcJG1yCehehKqdysA4VXe8q4Vdbn/gIbAoo23/CWeXJ+m+JGNtaP0abQWI BvDw== X-Gm-Message-State: AOAM533F2R0/3yKIzvIAkWnrNkQuEvx58ay3fOAYpKMNh8PzssS8iZXS xed+yT+jBCfhma6xAGNbplWI8qHLttwYQkLw X-Google-Smtp-Source: ABdhPJznOC2YfNd1ZPs+6SCJ5NTUlbpRJbCYJGuZeYi2O7NmcU/qHyWeeDS+QjM1P3BM+0gzHIdfVA== X-Received: by 2002:a5d:9250:: with SMTP id e16mr25028426iol.27.1614183846771; Wed, 24 Feb 2021 08:24:06 -0800 (PST) Received: from [192.168.1.30] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id a2sm2188902iow.43.2021.02.24.08.24.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 24 Feb 2021 08:24:06 -0800 (PST) Subject: Re: io_uring_enter() returns EAGAIN after child exit in 5.12 To: Andres Freund Cc: io-uring@vger.kernel.org References: <20210224032514.emataeyir7d2kxkx@alap3.anarazel.de> <20210224043149.6tj6whjfjd6ihamz@alap3.anarazel.de> <20210224045456.rt3c3pvvka7fpaln@alap3.anarazel.de> From: Jens Axboe Message-ID: <45c01300-e00d-094e-cfcb-f83d0746d928@kernel.dk> Date: Wed, 24 Feb 2021 09:24:06 -0700 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: <20210224045456.rt3c3pvvka7fpaln@alap3.anarazel.de> 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 2/23/21 9:54 PM, Andres Freund wrote: > Hi, > > On 2021-02-23 21:33:38 -0700, Jens Axboe wrote: >> On 2/23/21 9:31 PM, Andres Freund wrote: >>> Jens, seems like it'd make sense to apply the test case upthread into >>> the liburing repo. Do you want me to open a PR? >> >> I think so, it's a good addition. Either a PR or just an emailed patch, >> whatever you prefer. Well, the previous email had whitespace damage, >> so maybe a PR is safer :-) > > Done https://github.com/axboe/liburing/pull/306. The damage originated > from me foolishly just copy-pasting it from the terminal :) - I wrote it > a test VM and was too lazy to copy the diff out... I totally sympathize with that :-) I've merged your pull request, thanks. -- Jens Axboe