linux-kernel - [PATCH 03/45] KVM: sync_lapic_to_cr8() should always sync cr8 to V

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Date:	Sun, 24 May 2009 18:49:48 +0300
From:	Avi Kivity <avi@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	kvm@...r.kernel.org
Subject: [PATCH 03/45] KVM: sync_lapic_to_cr8() should always sync cr8 to V_TPR

From: Gleb Natapov <gleb@...hat.com>

Even if IRQ chip is in userspace.

Signed-off-by: Gleb Natapov <gleb@...hat.com>
Signed-off-by: Avi Kivity <avi@...hat.com>
---
 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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