KVM: PIT: take inject_pending into account when emulating hlt

KVM: PIT: take inject_pending into account when emulating hlt

[Marcelo Tosatti]

Otherwise hlt emulation fails if PIT is not injecting IRQ's.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>


diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 1646102..07f9ff1 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -216,7 +216,7 @@ int pit_has_pending_timer(struct kvm_vcpu *vcpu)
 {
 	struct kvm_pit *pit = vcpu->kvm->arch.vpit;
 
-	if (pit && vcpu->vcpu_id == 0)
+	if (pit && vcpu->vcpu_id == 0 && pit->pit_state.inject_pending)
 		return atomic_read(&pit->pit_state.pit_timer.pending);
 
 	return 0;


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Re: KVM: PIT: take inject_pending into account when emulating hlt

[Avi Kivity]

Marcelo Tosatti wrote:
> Otherwise hlt emulation fails if PIT is not injecting IRQ's.
>   

Applied, thanks.

-- 
error compiling committee.c: too many arguments to function


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