Messages in this thread | | | Date | Fri, 19 Oct 2012 13:02:35 -0700 | From | Tejun Heo <> | Subject | Re: [PATCHSET cgroup/for-3.8] cgroup_freezer: allow migration regardless of freezer state and update locking |
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Hey, Matt.
On Thu, Oct 18, 2012 at 06:29:45PM -0700, Matt Helsley wrote: > Yeah, that would be a nice cleanup too. I guess the ultra-careful way to > remove this feature would be something like: > > Add an internal migration restriction (which may or may not be > exported as a userspace interface in a subsequent > patch). > > Make the cgroup freezer use it. > > Make the cgroup freezer WARN_ONCE() when the subsystem is first > mounted. Indicates that the behavior is going to > change. > > ... time passes ... > > Remove the use of the migration "lock" from the cgroup freezer > and the WARN_ONCE(). > > Which would also make the feature more obvious.
I don't think I'm gonna go that far for this. I don't think we need cgroup migration locking after all.
Thanks.
-- tejun
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