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KVM: use jump label to optimize checking for HW enabled APIC in APIC_BASE MSR

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Usually all APICs are HW enabled so the check can be optimized out.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov
2012-08-05 15:58:30 +03:00
committed by Avi Kivity
parent a181dc14ed
commit c5cc421ba3
3 changed files with 30 additions and 1 deletions
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arch/x86/kvm/lapic.h
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@@ -78,4 +78,5 @@ static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu)
}
int kvm_lapic_enable_pv_eoi(struct kvm_vcpu *vcpu, u64 data);
void kvm_lapic_init(void);
#endif