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KVM: Let ioapic know the irq line status

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Userspace may deliver RTC interrupt without query the status. So we
want to track RTC EOI for this case.

Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Yang Zhang
2013-04-11 19:21:40 +08:00
committed by Marcelo Tosatti
parent f3bff6318f
commit aa2fbe6d44
9 changed files with 54 additions and 37 deletions
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4
arch/x86/kvm/i8254.c
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@@ -290,8 +290,8 @@ static void pit_do_work(struct kthread_work *work)
}
spin_unlock(&ps->inject_lock);
if (inject) {
kvm_set_irq(kvm, kvm->arch.vpit->irq_source_id, 0, 1);
kvm_set_irq(kvm, kvm->arch.vpit->irq_source_id, 0, 0);
kvm_set_irq(kvm, kvm->arch.vpit->irq_source_id, 0, 1, false);
kvm_set_irq(kvm, kvm->arch.vpit->irq_source_id, 0, 0, false);
/*
* Provides NMI watchdog support via Virtual Wire mode.