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KVM: sync_lapic_to_cr8() should always sync cr8 to V_TPR 

Even if IRQ chip is in userspace.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
hifive-unleashed-5.1
Gleb Natapov 2009-04-21 17:45:05 +03:00 committed by Avi Kivity
parent 115666dfc7
commit 615d519305
1 changed files with 1 additions and 4 deletions
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5
arch/x86/kvm/svm.c
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@ -2348,7 +2348,7 @@ static inline void sync_cr8_to_lapic(struct kvm_vcpu *vcpu)
if (!(svm->vmcb->control.intercept_cr_write & INTERCEPT_CR8_MASK)) {
int cr8 = svm->vmcb->control.int_ctl & V_TPR_MASK;
kvm_lapic_set_tpr(vcpu, cr8);
kvm_set_cr8(vcpu, cr8);
}
}
@ -2357,9 +2357,6 @@ static inline void sync_lapic_to_cr8(struct kvm_vcpu *vcpu)
struct vcpu_svm *svm = to_svm(vcpu);
u64 cr8;
if (!irqchip_in_kernel(vcpu->kvm))
return;
cr8 = kvm_get_cr8(vcpu);
svm->vmcb->control.int_ctl &= ~V_TPR_MASK;
svm->vmcb->control.int_ctl |= cr8 & V_TPR_MASK;