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KVM: x86: properly restore LVT0 

Legacy NMI watchdog didn't work after migration/resume, because
vapics_in_nmi_mode was left at 0.

Cc: stable@vger.kernel.org
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Radim Krčmář 2015-06-30 22:19:17 +02:00 committed by Paolo Bonzini
parent 42720138b0
commit db1385624c
1 changed files with 1 additions and 0 deletions
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1
arch/x86/kvm/lapic.c
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@ -1822,6 +1822,7 @@ void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu,
apic_update_ppr(apic);
hrtimer_cancel(&apic->lapic_timer.timer);
apic_update_lvtt(apic);
apic_manage_nmi_watchdog(apic, kvm_apic_get_reg(apic, APIC_LVT0));
update_divide_count(apic);
start_apic_timer(apic);
apic->irr_pending = true;