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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 3AF5FC4320A for ; Sun, 8 Aug 2021 00:14:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D3E76108D for ; Sun, 8 Aug 2021 00:14:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230094AbhHHAOx (ORCPT ); Sat, 7 Aug 2021 20:14:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49404 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229797AbhHHAOw (ORCPT ); Sat, 7 Aug 2021 20:14:52 -0400 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7544CC061760; Sat, 7 Aug 2021 17:14:34 -0700 (PDT) Received: by mail-pj1-x1036.google.com with SMTP id w13-20020a17090aea0db029017897a5f7bcso133139pjy.5; Sat, 07 Aug 2021 17:14:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=EnFgqgDmT/V4c/zLfpNtBbyVZkh3iobp61ysMleZsHY=; b=FtBcwRMxPJXP/EfG4YMfGYnjKc5DQYG/fhfHr8MHZ5+S5J+8OIDjgp9dRE4A79qR6c FUGAo1g6Glm0VsLAyzeryeUYoEVWeE2wnO40vRS2rTEIGw0BewQgJjiGvUOmciRxjxMk fhEhVuOpg943ikBK8dXQSGmJw0v4/si83dYpFxf7k88z5nCSy+8u9Q7KljQaioSTrdUf Pda14wsf0huvaWqRyzGXj0szNOCJQmhhgxOP/c74FJkvoakcTkZBzlfcyjhCcZ0mPdRu irXi6gPbXMjDh+yg4GeK2bNyI459qhA/ZvlIlhh4Eft7EPHdRUnlHYMDbBDcNkSgz5o0 lymA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=EnFgqgDmT/V4c/zLfpNtBbyVZkh3iobp61ysMleZsHY=; b=ePSTl/Fd7TCcyuOSIHKI+4uXSTaIu4mfcytqJtaKAVVv1dS6iOBQjv9c/ydD1DnCyW L8B4ZJWdkFSIEHrFQ3iJpmhCU+b/+tFsqgy1TnXqmiXpSLmykRQ3dT7b8GW9eVWtLSon R4e8L1rN1Y9TqQJIxB7c4Vh/skKWc1SM+goLyuYG3hgbRqbdx1eQjsA4U5ajDjSrZMIT 7lY8GOuzFOay8lK81LoQ2zaWh/UIdWyYLZUoPiQE2vhfvvubpHFIktud5PsSufvwxDdk sMSOdmPpz1r7c78c5B7k13r9sxBLAw77YuRT2Muh8hexqBIMXKkn/G8kqs99zwk01IkZ Vfzg== X-Gm-Message-State: AOAM531L7oEQECY7TTRxcZsls9MJnAPIh/WrEf0y/CwH+y+Kfdfmr9hu uhovatfmCqhszFLN50oaoaQ= X-Google-Smtp-Source: ABdhPJwnD7t4fRx+P/KVAYylu7IxTPO2g+Bub7YhSAx0DL38ML0RoqO3m6+3NSD9kFpPIPJxXk8YbQ== X-Received: by 2002:a17:90a:43a7:: with SMTP id r36mr3634210pjg.187.1628381673653; Sat, 07 Aug 2021 17:14:33 -0700 (PDT) Received: from sc2-haas01-esx0118.eng.vmware.com ([66.170.99.1]) by smtp.gmail.com with ESMTPSA id u3sm16624278pjr.2.2021.08.07.17.14.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Aug 2021 17:14:33 -0700 (PDT) From: Nadav Amit X-Google-Original-From: Nadav Amit To: Jens Axboe Cc: io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, Nadav Amit , Pavel Begunkov Subject: [PATCH 0/2] io_uring: bug fixes Date: Sat, 7 Aug 2021 17:13:40 -0700 Message-Id: <20210808001342.964634-1-namit@vmware.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nadav Amit Two small bug fixes. The first fix is for a real issue that encountered on 5.13, which caused my workload not to work with a submission queue. Apparently, on 5.14 it is only a performance issue (i.e., not a functionality issue). The second fix is for a theoretical issue. I did not cc stable, as I leave this decision to the maintainer. Cc: Jens Axboe Cc: Pavel Begunkov Nadav Amit (2): io_uring: clear TIF_NOTIFY_SIGNAL when running task work io_uring: Use WRITE_ONCE() when writing to sq_flags fs/io_uring.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) -- 2.25.1