Messages in this thread | | | Date | Wed, 16 Sep 2015 10:16:30 -0400 | From | Tejun Heo <> | Subject | Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace signal_struct->group_rwsem with a global percpu_rwsem) causes regression for libvirt/kvm |
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Hello,
On Wed, Sep 16, 2015 at 02:22:49PM +0200, Oleg Nesterov wrote: > > If the revert isn't easy, I think backporting rcu_sync is the best bet. > > I leave this to Paul and Tejun... at least I think this is not v4.2 material.
Will route reverts through cgroup branch. Should be pretty painless. Nice job on percpu_rwsem. It's so much better than having to come up with a separate middleground solution.
Thanks.
-- tejun
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