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From: Tejun Heo <tj@kernel.org>
To: "Michal Koutný" <mkoutny@suse.com>
Cc: cgroups@vger.kernel.org, Johannes Weiner <hannes@cmpxchg.org>,
	Li Zefan <lizefan@huawei.com>, Hao Sun <sunhao.th@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] cgroup: rstat: Mark benign data race to silence KCSAN
Date: Mon, 15 Nov 2021 11:34:52 -1000	[thread overview]
Message-ID: <YZLSfFVKVFqLj3sP@slm.duckdns.org> (raw)
In-Reply-To: <20211103165845.38226-1-mkoutny@suse.com>

On Wed, Nov 03, 2021 at 05:58:45PM +0100, Michal Koutný wrote:
> There is a race between updaters and flushers (flush can possibly miss
> the latest update(s)). This is expected as explained in
> cgroup_rstat_updated() comment, add also machine readable annotation so
> that KCSAN results aren't noisy.
> 
> Reported-by: Hao Sun <sunhao.th@gmail.com>
> Link: https://lore.kernel.org/r/CACkBjsbPVdkub=e-E-p1WBOLxS515ith-53SFdmFHWV_QMo40w@mail.gmail.com
> Suggested-by: Hao Sun <sunhao.th@gmail.com>
> 
> Signed-off-by: Michal Koutný <mkoutny@suse.com>

Applied to cgroup/for-5.17.

Thanks.

-- 
tejun

      parent reply	other threads:[~2021-11-16  0:12 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-03 16:58 Michal Koutný
2021-11-03 17:39 ` Shakeel Butt
2021-11-15 21:34 ` Tejun Heo [this message]

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