Messages in this thread Patch in this message | | | From | Wanpeng Li <> | Subject | [PATCH 3/3] KVM: LAPIC: Ignore timer migration when lapic timer is injected by posted-interrupt | Date | Wed, 5 Jun 2019 18:09:11 +0800 |
| |
From: Wanpeng Li <wanpengli@tencent.com>
When lapic timer is injected by posted-interrupt, the emulated timer is offload to the housekeeping cpu. The timer interrupt will be delivered properly, no need to migrate timer.
Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Wanpeng Li <wanpengli@tencent.com> --- arch/x86/kvm/lapic.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index e9db086..3bb4376 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -2534,7 +2534,8 @@ void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu) { struct hrtimer *timer; - if (!lapic_in_kernel(vcpu)) + if (!lapic_in_kernel(vcpu) || + posted_interrupt_inject_timer(vcpu)) return; timer = &vcpu->arch.apic->lapic_timer.timer; -- 2.7.4
| |