diff options
| author | Sean Christopherson <seanjc@google.com> | 2023-01-06 01:12:49 +0000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-01-13 10:45:28 -0500 |
| commit | 1d22a597b3e9fd4d0a7e921ce4d32321bcad8576 (patch) | |
| tree | b0ea85c481438739135f374740341b120aca6fd9 | |
| parent | 8578e4512d873b0aa9805e9772162578d54bb6a1 (diff) | |
KVM: SVM: Add helper to perform final AVIC "kick" of single vCPU
Add a helper to perform the final kick, two instances of the ICR decoding
is one too many.
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20230106011306.85230-17-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/kvm/svm/avic.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index eb2ad5b54877..76da9f19272e 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -317,6 +317,16 @@ void avic_ring_doorbell(struct kvm_vcpu *vcpu) put_cpu(); } + +static void avic_kick_vcpu(struct kvm_vcpu *vcpu, u32 icrl) +{ + vcpu->arch.apic->irr_pending = true; + svm_complete_interrupt_delivery(vcpu, + icrl & APIC_MODE_MASK, + icrl & APIC_INT_LEVELTRIG, + icrl & APIC_VECTOR_MASK); +} + /* * A fast-path version of avic_kick_target_vcpus(), which attempts to match * destination APIC ID to vCPU without looping through all vCPUs. @@ -415,11 +425,7 @@ static int avic_kick_target_vcpus_fast(struct kvm *kvm, struct kvm_lapic *source if (unlikely(!target_vcpu)) return 0; - target_vcpu->arch.apic->irr_pending = true; - svm_complete_interrupt_delivery(target_vcpu, - icrl & APIC_MODE_MASK, - icrl & APIC_INT_LEVELTRIG, - icrl & APIC_VECTOR_MASK); + avic_kick_vcpu(target_vcpu, icrl); return 0; } @@ -443,13 +449,8 @@ static void avic_kick_target_vcpus(struct kvm *kvm, struct kvm_lapic *source, */ kvm_for_each_vcpu(i, vcpu, kvm) { if (kvm_apic_match_dest(vcpu, source, icrl & APIC_SHORT_MASK, - dest, icrl & APIC_DEST_MASK)) { - vcpu->arch.apic->irr_pending = true; - svm_complete_interrupt_delivery(vcpu, - icrl & APIC_MODE_MASK, - icrl & APIC_INT_LEVELTRIG, - icrl & APIC_VECTOR_MASK); - } + dest, icrl & APIC_DEST_MASK)) + avic_kick_vcpu(vcpu, icrl); } } |