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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2008-05-14 02:29:06 -0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-05-18 14:39:39 +0300 |
| commit | 54aaacee35afd594bba3244c20b02cc98d80a961 (patch) | |
| tree | 66488043384eca7851f752bcfdbdec90ef328884 /arch | |
| parent | 1fc9d2bf75bbe5482cc503681dae0935df29b6b0 (diff) | |
| download | linux-3.10-54aaacee35afd594bba3244c20b02cc98d80a961.tar.gz linux-3.10-54aaacee35afd594bba3244c20b02cc98d80a961.tar.bz2 linux-3.10-54aaacee35afd594bba3244c20b02cc98d80a961.zip | |
KVM: LAPIC: ignore pending timers if LVTT is disabled
Only use the APIC pending timers count to break out of HLT emulation if
the timer vector is enabled.
Certain configurations of Windows simply mask out the vector without
disabling the timer.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 36809d79788..c297c50eba6 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -957,7 +957,7 @@ int apic_has_pending_timer(struct kvm_vcpu *vcpu) { struct kvm_lapic *lapic = vcpu->arch.apic; - if (lapic) + if (lapic && apic_enabled(lapic) && apic_lvt_enabled(lapic, APIC_LVTT)) return atomic_read(&lapic->timer.pending); return 0; |