| From | lizf@kernel ... | Subject | [PATCH 3.4 54/65] KVM: x86: properly restore LVT0 | Date | Tue, 20 Oct 2015 08:48:04 +0800 |
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From: Radim Krčmář <rkrcmar@redhat.com>
3.4.110-rc1 review patch. If anyone has any objections, please let me know.
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commit db1385624c686fe99fe2d1b61a36e1537b915d08 upstream.
Legacy NMI watchdog didn't work after migration/resume, because vapics_in_nmi_mode was left at 0.
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> [lizf: Backported to 3.4: - adjust context - s/kvm_apic_get_reg/apic_get_reg/] Signed-off-by: Zefan Li <lizefan@huawei.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 f935b52..53454a6 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1257,6 +1257,7 @@ void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu) apic_update_ppr(apic); hrtimer_cancel(&apic->lapic_timer.timer); + apic_manage_nmi_watchdog(apic, apic_get_reg(apic, APIC_LVT0)); update_divide_count(apic); start_apic_timer(apic); apic->irr_pending = true; -- 1.9.1
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