[PATCH 03/45] KVM: sync_lapic_to_cr8() should always sync cr8 to V_TPR

From: Avi Kivity
Date: Sun May 24 2009 - 11:51:16 EST


From: Gleb Natapov <gleb@xxxxxxxxxx>

Even if IRQ chip is in userspace.

Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
arch/x86/kvm/svm.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2905475..143818e 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -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;
--
1.6.0.6

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