From: Oleg Nesterov <oleg@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: Aleksa Sarai <cyphar@cyphar.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Li Zefan <lizefan@huawei.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH?] race between cgroup_subsys->fork() and cgroup_migrate()
Date: Thu, 26 Nov 2015 17:01:37 +0100 [thread overview]
Message-ID: <20151126160137.GB23581@redhat.com> (raw)
In-Reply-To: <20151125204057.GF14240@htj.duckdns.org>
On 11/25, Tejun Heo wrote:
>
> And I spotted a bug in cgroup core in controller enable path. While
> the race between fork and attach exists and needs to be fixed, I think
> the cgroup core bug is the main source of discrepancy. Will update
> once I learn more.
OK. I do not know what exactly do you mean, perhaps if you fix this problem
the race between fork and attach goes away and in this case the fix I sent
is not needed? I'll wait for more info.
Oleg.
next prev parent reply other threads:[~2015-11-26 16:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-25 16:34 [PATCH?] race between cgroup_subsys->fork() and cgroup_migrate() Oleg Nesterov
2015-11-25 19:51 ` Tejun Heo
2015-11-25 19:54 ` Tejun Heo
2015-11-25 20:40 ` Tejun Heo
2015-11-26 16:01 ` Oleg Nesterov [this message]
2015-11-26 15:36 ` Oleg Nesterov
2015-11-26 23:35 ` Aleksa Sarai
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