Messages in this thread | | | Subject | Re: [4.2] commit d59cfc09c32 (sched, cgroup: replace signal_struct->group_rwsem with a global percpu_rwsem) causes regression for libvirt/kvm | From | Paolo Bonzini <> | Date | Wed, 16 Sep 2015 16:19:03 +0200 |
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On 16/09/2015 16:16, Tejun Heo wrote: > 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 all for the quick resolution!
Paolo
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