From: Zhang Qiao <zhangqiao22-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: "Michal Koutný" <mkoutny-IBi9RG/b67k@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
lizefan.x-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org,
hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org,
matthltc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org,
bblum-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
menage-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
longman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
zhaogongyi-hv44wF8Li93QT0dZR+AlfA@public.gmane.org
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.GA2394-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>
在 2022/1/21 23:57, Michal Koutný 写道:
> On Fri, Jan 21, 2022 at 06:12:10PM +0800, Zhang Qiao <zhangqiao22-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> 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-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
>> Signed-off-by: Zhang Qiao <zhangqiao22-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
>> ---
>> kernel/cgroup/cpuset.c | 2 ++
>> 1 file changed, 2 insertions(+)
>
> Feel free to include
> Reviewed-by: Michal Koutný <mkoutny-IBi9RG/b67k@public.gmane.org>
>
Thanks for your review!
Regards,
Qiao
.
> .
>
next prev parent 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 [PATCH] cgroup/cpuset: Fix a race between cpuset_attach() and cpu hotplug Zhang Qiao
[not found] ` <20220121101210.84926-1-zhangqiao22-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2022-01-21 12:43 ` Waiman Long
[not found] ` <a166a39f-aa9f-95af-3f3f-f4e17e7c3305-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2022-01-22 7:54 ` Zhang Qiao
2022-01-21 15:57 ` Michal Koutný
[not found] ` <20220121155705.GA2394-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>
2022-01-22 7:37 ` Zhang Qiao [this message]
2022-02-14 19:50 ` Tejun Heo
2022-02-07 6:17 ` Zhang Qiao
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=eab13a50-463d-3d45-d58a-77dfebd3b4dd@huawei.com \
--to=zhangqiao22-hv44wf8li93qt0dzr+alfa@public.gmane.org \
--cc=akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
--cc=bblum-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
--cc=cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=lizefan.x-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org \
--cc=longman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=matthltc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org \
--cc=menage-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
--cc=mkoutny-IBi9RG/b67k@public.gmane.org \
--cc=tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=zhaogongyi-hv44wF8Li93QT0dZR+AlfA@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox