KVM: Reset PIT irq injection logic when the PIT IRQ is unmasked

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While the PIT is masked the guest cannot ack the irq, so the reinject logic
will never allow the interrupt to be injected.

Fix by resetting the reinjection counters on unmask.

Unbreaks Xen.

Signed-off-by: Avi Kivity <avi@redhat.com>

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This commit is contained in:

Avi Kivity 2009-01-04 18:06:06 +02:00

parent 75858a84a6

commit 4780c65904

2 changed files with 16 additions and 0 deletions

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arch/x86/kvm/i8254.c

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arch/x86/kvm/i8254.h

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