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    SubjectRe: kvm: RCU warning in async pf
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    On Mon, 2012-04-16 at 15:18 +0200, Peter Zijlstra wrote:
    > On Mon, 2012-04-16 at 16:08 +0300, Gleb Natapov wrote:
    > > On Mon, Apr 16, 2012 at 03:05:48PM +0200, Peter Zijlstra wrote:
    > > > On Mon, 2012-04-16 at 15:58 +0300, Gleb Natapov wrote:
    > > > > - rcu_irq_enter();
    > > > > + irq_enter();
    > > > > exit_idle();
    > > >
    > > > Do we really need the exit_idle()? I can't remember other interrupt
    > > > handlers doing that.
    > > They do. That's where I got the idea.
    >
    > Some do.. some don't.. /me goes have a look what this exit_idle nonsense
    > is all about. Looks to be something broken.

    Yeah, its broken and the whole implementation is crap anyway. There's
    only one user (drivers/idle/i7300_idle.c) so it likely doesn't matter
    (much) anyway.

    Thomas, can we rip that stuff out? or do we have to like actually fix
    it?


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