KVM: SVM: Trap access to the cr8 register

Later we may be able to use the virtual tpr feature, but for now,
just trap it.

Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/kvm/svm.h b/drivers/kvm/svm.h
index 5fa277c0187c..5fd50491b555 100644
--- a/drivers/kvm/svm.h
+++ b/drivers/kvm/svm.h
@@ -204,6 +204,7 @@ struct __attribute__ ((__packed__)) vmcb {
 #define INTERCEPT_CR0_MASK 1
 #define INTERCEPT_CR3_MASK (1 << 3)
 #define INTERCEPT_CR4_MASK (1 << 4)
+#define INTERCEPT_CR8_MASK (1 << 8)
 
 #define INTERCEPT_DR0_MASK 1
 #define INTERCEPT_DR1_MASK (1 << 1)