Messages in this thread Patch in this message | | | From | Wanpeng Li <> | Subject | [PATCH] KVM: LAPIC: Advancing the timer expiration on guest initiated write | Date | Tue, 2 Mar 2021 17:43:22 +0800 |
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From: Wanpeng Li <wanpengli@tencent.com>
Advancing the timer expiration should only be necessary on guest initiated writes. Now, we cancel the timer, clear .pending and clear expired_tscdeadline at the same time during state restore.
Signed-off-by: Wanpeng Li <wanpengli@tencent.com> --- arch/x86/kvm/lapic.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 45d40bf..f2b6e79 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -2595,6 +2595,7 @@ int kvm_apic_set_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s) apic_update_ppr(apic); hrtimer_cancel(&apic->lapic_timer.timer); + apic->lapic_timer.expired_tscdeadline = 0; apic_update_lvtt(apic); apic_manage_nmi_watchdog(apic, kvm_lapic_get_reg(apic, APIC_LVT0)); update_divide_count(apic); -- 2.7.4
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