Commit d9ff2744 authored Nov 11, 2019 by Liran Alon Committed by Paolo Bonzini Nov 12, 2019

KVM: VMX: Fix comment to specify PID.ON instead of PIR.ON



The Outstanding Notification (ON) bit is part of the Posted Interrupt
Descriptor (PID) as opposed to the Posted Interrupts Register (PIR).
The latter is a bitmap for pending vectors.

Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent 7a5ee6ed

arch/x86/kvm/vmx/vmx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -6137,7 +6137,7 @@ static int vmx_sync_pir_to_irr(struct kvm_vcpu *vcpu)
		if (pi_test_on(&vmx->pi_desc)) {
		pi_clear_on(&vmx->pi_desc);
		/*
		* IOMMU can write to PIR.ON, so the barrier matters even on UP.
		* IOMMU can write to PID.ON, so the barrier matters even on UP.
		* But on x86 this is just a compiler barrier anyway.
		*/
		smp_mb__after_atomic();

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