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Subject[PATCH v2 1/9] KVM: LAPIC: Return 0 when getting the tscdeadline timer if the lapic is hw disabled
Date
From: Wanpeng Li <wanpengli@tencent.com>

Return 0 when getting the tscdeadline timer if the lapic is hw disabled.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
---
arch/x86/kvm/lapic.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 35cca2e..81bf6a8 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2183,8 +2183,7 @@ u64 kvm_get_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;

- if (!lapic_in_kernel(vcpu) ||
- !apic_lvtt_tscdeadline(apic))
+ if (!kvm_apic_present(vcpu) || !apic_lvtt_tscdeadline(apic))
return 0;

return apic->lapic_timer.tscdeadline;
--
2.7.4
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