| Date | Sat, 25 Aug 2012 19:30:14 -0700 | From | Greg Kroah-Hartman <> | Subject | Re: [ 40/46] KVM: PIC: call ack notifiers for irqs that are dropped form irr |
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On Thu, Aug 23, 2012 at 01:02:55AM +0100, Ben Hutchings wrote: > On Sun, 2012-08-19 at 20:59 -0700, Greg Kroah-Hartman wrote: > > From: Greg KH <gregkh@linuxfoundation.org> > > > > 3.5-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Gleb Natapov <gleb@redhat.com> > > > > (cherry picked from commit aea218f3cbbcaac249b6b2c98930a00d6d931f1e) > > > > After commit 242ec97c358256 PIT interrupts are no longer delivered after > > PIC reset. It happens because PIT injects interrupt only if previous one > > was acked, but since on PIC reset it is dropped from irr it will never > > be delivered and hence acknowledged. Fix that by calling ack notifier on > > PIC reset. > [...] > > Based on the commit blamed for the regression, I think this is needed > for 3.4 as well.
That's up to Avi and Marcelo, as I do not apply any KVM patches to any stable tree unless they say so (as they have asked in the past.)
Avi and Marcelo?
greg k-h
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