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>

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 5d21a4ab28cfc80b3f800adfd042cb23c155a737..f53b0c74f7c809b8fdb48bec50a7287c552785ca 100644 (file)
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -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();