From: Tejun Heo <tj@kernel.org>
To: Guopeng Zhang <guopeng.zhang@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Michal Koutný <mkoutny@suse.com>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
Guopeng Zhang <zhangguopeng@kylinos.cn>
Subject: Re: [PATCH v2] cgroup: Use data_race() for task->flags in task_css_set_check()
Date: Thu, 25 Jun 2026 11:20:06 -1000 [thread overview]
Message-ID: <1a3026eaf111b5d4761ec941d031e48b@kernel.org> (raw)
In-Reply-To: <20260625013944.253318-1-guopeng.zhang@linux.dev>
Hello,
On Thu, Jun 25, 2026 at 09:39:44AM +0800, Guopeng Zhang wrote:
> task_css_set_check() uses rcu_dereference_check() to verify that
> task->cgroups can be dereferenced. One accepted condition is that the
> task is already exiting, tested by checking PF_EXITING in task->flags.
Applied to cgroup/for-7.3.
Thanks.
--
tejun
prev parent reply other threads:[~2026-06-25 21:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-25 1:39 [PATCH v2] cgroup: Use data_race() for task->flags in task_css_set_check() Guopeng Zhang
2026-06-25 21:20 ` Tejun Heo [this message]
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