Messages in this thread | | | Date | Tue, 20 Dec 2011 11:14:43 -0800 | From | Tejun Heo <> | Subject | Re: [PATCH 1/2] cgroup: Remove unnecessary task_lock before fetching css_set on migration |
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Hello, Frederic.
On Tue, Dec 20, 2011 at 08:01:12PM +0100, Frederic Weisbecker wrote: > When we fetch the css_set of the tasks on cgroup migration, we don't need > anymore to synchronize against cgroup_exit() that could swap the old one > with init_css_set. Now that we are using threadgroup_lock() during > the migrations, we don't need to worry about it anymore. > > Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> > Cc: Tejun Heo <tj@kernel.org> > Cc: Li Zefan <lizf@cn.fujitsu.com> > Cc: Containers <containers@lists.linux-foundation.org> > Cc: Cgroups <cgroups@vger.kernel.org> > Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> > Cc: Oleg Nesterov <oleg@redhat.com> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: Paul Menage <paul@paulmenage.org> > Cc: Mandeep Singh Baines <msb@chromium.org>
I like this but it doesn't apply on top of cgroup/for-3.3. It collides with Mandeep's patch. Can you please rebase?
Li, can you please ack?
Thanks.
-- tejun
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