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KVM: VMX: Pass desired vector instead of bool for triggering posted IRQ

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Refactor the posted interrupt helper to take the desired notification
vector instead of a bool so that the callers are self-documenting.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20211208015236.1616697-19-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2021-12-08 01:52:28 +00:00 committed by Paolo Bonzini
parent 0f65a9d337
commit 296aa26644
1 changed files with 3 additions and 5 deletions
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8
arch/x86/kvm/vmx/vmx.c
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@ -3932,11 +3932,9 @@ static void vmx_msr_filter_changed(struct kvm_vcpu *vcpu)
}
static inline bool kvm_vcpu_trigger_posted_interrupt(struct kvm_vcpu *vcpu,
bool nested)
int pi_vec)
{
#ifdef CONFIG_SMP
int pi_vec = nested ? POSTED_INTR_NESTED_VECTOR : POSTED_INTR_VECTOR;
if (vcpu->mode == IN_GUEST_MODE) {
/*
* The vector of interrupt to be delivered to vcpu had
@ -3997,7 +3995,7 @@ static int vmx_deliver_nested_posted_interrupt(struct kvm_vcpu *vcpu,
smp_mb__after_atomic();
/* the PIR and ON have been set by L1. */
if (!kvm_vcpu_trigger_posted_interrupt(vcpu, true))
if (!kvm_vcpu_trigger_posted_interrupt(vcpu, POSTED_INTR_NESTED_VECTOR))
kvm_vcpu_wake_up(vcpu);
return 0;
}
@ -4035,7 +4033,7 @@ static int vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
* guaranteed to see PID.ON=1 and sync the PIR to IRR if triggering a
* posted interrupt "fails" because vcpu->mode != IN_GUEST_MODE.
*/
if (!kvm_vcpu_trigger_posted_interrupt(vcpu, false))
if (!kvm_vcpu_trigger_posted_interrupt(vcpu, POSTED_INTR_VECTOR))
kvm_vcpu_wake_up(vcpu);
return 0;