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=-19.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS 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 EBEFDC4338F for ; Mon, 9 Aug 2021 23:02:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C306960F35 for ; Mon, 9 Aug 2021 23:02:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234456AbhHIXCX (ORCPT ); Mon, 9 Aug 2021 19:02:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229688AbhHIXCV (ORCPT ); Mon, 9 Aug 2021 19:02:21 -0400 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDC24C0613D3; Mon, 9 Aug 2021 16:02:00 -0700 (PDT) Received: by mail-pj1-x1033.google.com with SMTP id m24-20020a17090a7f98b0290178b1a81700so2379616pjl.4; Mon, 09 Aug 2021 16:02:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=FIJq4ZNboXbfq5kIKSzg2GS0ml9Miy3RL/9vBFSXcYI=; b=BqY7udQeB6Iv9m++WzDq2lkKT1nZFRQJDUQxx+PSSO7nDEv8wlnFFTtm0sxwHaYsFO znYWcD776guDJPii/afFvx/fvo81dqYw21icscwKZKnrEN5e76HdqjHTWMaipCXjvTgw jYzPAnZij1Mp3ufJAwBoTU2jaJr3kcL9mqWltHWIiF0Ix7NJ6su97oINNZC+Clm1shHc miSm9Rlzj0g8oUB1EA0wufvM4Tm5qIUHQK1YzLigveqBJcfSJmWNswkFn595xgCOfyXy FGPxEUL15GUvozGfYLQtPhEmxgNAGyeZFkaOvmnSBVKMaf/niSWJGDeq1r0bctmS6JgS Gl3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :mime-version:content-disposition; bh=FIJq4ZNboXbfq5kIKSzg2GS0ml9Miy3RL/9vBFSXcYI=; b=S3VWiqwrsd3yIQSKT4pXysi/2c5m9M+Efo8GsuDUEvUuHnFb512MBvh3kOVXyDY2lt d+UngFbWfza9FMd4GngErASKx0AcQfMJzg34wv4dX1ifmVpfrTz1TYg7w4AHwZvegJX5 ntiuA7oSjwWsANAAd6UvsEyG+UdhDWOZfZZ5LHdlUzKbLSyXyi3r0LZYPEyujpJtnLbm KqdAtVTfJOrsXVzzIXC4vjxEOGZOQp7bJfys4mSXQn+DH4EqW/au/lLiLpgAOjt77rXV NW6yfgXm/33GT6ob79dh9+y00XWZhLGqgcM7Ro40zcGkmBifk6wvnqY+Wqe/V3KR6lt+ 5A2w== X-Gm-Message-State: AOAM531MviTkAQE4KMYQxxmZDX16Tan3+wxJ+dqaJPZ0MSvnVUcM3/u+ UsVP7dVxk1QGUvshJ2I5mF5vfn/sFlW3tw== X-Google-Smtp-Source: ABdhPJzOd0gJy9Fo/ZAHPENEsMue6HHO1OKM69bk2lCnAxRo0ItuJqWGKhsahrRQTdQFfk6XlWd46g== X-Received: by 2002:a05:6a00:a0e:b029:3c3:538:b4b8 with SMTP id p14-20020a056a000a0eb02903c30538b4b8mr20166465pfh.25.1628550120256; Mon, 09 Aug 2021 16:02:00 -0700 (PDT) Received: from localhost ([2620:10d:c090:400::5:df1c]) by smtp.gmail.com with ESMTPSA id pj11sm568869pjb.4.2021.08.09.16.01.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Aug 2021 16:01:59 -0700 (PDT) Sender: Tejun Heo Date: Mon, 9 Aug 2021 13:01:54 -1000 From: Tejun Heo To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org Subject: [GIT PULL] cgroup fixes for v5.14-rc6 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, One commit to fix a possible A-A deadlock around u64_stats_sync on 32bit machines caused by updating it without disabling IRQ when it may be read from IRQ context. Thanks. The following changes since commit 1e7107c5ef44431bc1ebbd4c353f1d7c22e5f2ec: cgroup1: fix leaked context root causing sporadic NULL deref in LTP (2021-07-21 06:39:20 -1000) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-5.14-fixes for you to fetch changes up to c3df5fb57fe8756d67fd56ed29da65cdfde839f9: cgroup: rstat: fix A-A deadlock on 32bit around u64_stats_sync (2021-07-27 13:12:20 -1000) ---------------------------------------------------------------- Tejun Heo (1): cgroup: rstat: fix A-A deadlock on 32bit around u64_stats_sync block/blk-cgroup.c | 14 ++++++++------ kernel/cgroup/rstat.c | 19 +++++++++++-------- 2 files changed, 19 insertions(+), 14 deletions(-) -- tejun