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From: Zhang Qiao <zhangqiao22@huawei.com>
To: "Michal Koutný" <mkoutny@suse.com>
Cc: <linux-kernel@vger.kernel.org>, <cgroups@vger.kernel.org>,
	<tj@kernel.org>, <lizefan.x@bytedance.com>, <hannes@cmpxchg.org>,
	<matthltc@us.ibm.com>, <bblum@google.com>, <menage@google.com>,
	<akpm@linux-foundation.org>, <longman@redhat.com>,
	<zhaogongyi@huawei.com>
Subject: Re: [PATCH] cgroup/cpuset: Fix a race between cpuset_attach() and cpu hotplug
Date: Sat, 22 Jan 2022 15:37:32 +0800	[thread overview]
Message-ID: <eab13a50-463d-3d45-d58a-77dfebd3b4dd@huawei.com> (raw)
In-Reply-To: <20220121155705.GA2394@blackbody.suse.cz>



在 2022/1/21 23:57, Michal Koutný 写道:
> On Fri, Jan 21, 2022 at 06:12:10PM +0800, Zhang Qiao <zhangqiao22@huawei.com> wrote:
>> Fixes: be367d099270 ("cgroups: let ss->can_attach and ss->attach do whole threadgroups at a time")
> 
> What a deep stratigraphy (not sure if it's this one but anything else
> would likely come from eras ago too).

Yes, I checked again and this bug may have existed since the tag Linux-2.6.12-rc2.
>> Reported-by: Zhao Gongyi <zhaogongyi@huawei.com>
>> Signed-off-by: Zhang Qiao <zhangqiao22@huawei.com>
>> ---
>>  kernel/cgroup/cpuset.c | 2 ++
>>  1 file changed, 2 insertions(+)
> 
> Feel free to include
> Reviewed-by: Michal Koutný <mkoutny@suse.com>
> 
Thanks for your review!

Regards,
Qiao
.

> .
> 

  reply	other threads:[~2022-01-22  7:37 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-21 10:12 Zhang Qiao
2022-01-21 12:43 ` Waiman Long
2022-01-22  7:54   ` Zhang Qiao
2022-01-21 15:57 ` Michal Koutný
2022-01-22  7:37   ` Zhang Qiao [this message]
2022-02-07  6:17 ` Zhang Qiao
2022-02-14 19:50 ` Tejun Heo

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