From: Wanpeng Li <wanpengli@xxxxxxxxxxx>
commit d2286ba7d574ba3103a421a2f9ec17cb5b0d87a1 upstream.
Prevent setting the tscdeadline timer if the lapic is hw disabled.
Fixes: bce87cce88 (KVM: x86: consolidate different ways to test for in-kernel LAPIC)
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Wanpeng Li <wanpengli@xxxxxxxxxxx>
Message-Id: <1596165141-28874-1-git-send-email-wanpengli@xxxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/x86/kvm/lapic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2085,7 +2085,7 @@ void kvm_set_lapic_tscdeadline_msr(struc
{
struct kvm_lapic *apic = vcpu->arch.apic;
- if (!lapic_in_kernel(vcpu) || apic_lvtt_oneshot(apic) ||
+ if (!kvm_apic_present(vcpu) || apic_lvtt_oneshot(apic) ||
apic_lvtt_period(apic))
return;
