KVM: SVM: Add intercept check for emulated cr accesses

This patch adds all necessary intercept checks for
instructions that access the crX registers.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

arch/x86/include/asm/kvm_emulate.h

@@ -304,6 +304,9 @@ enum x86_intercept_stage {
 
 enum x86_intercept {
 	x86_intercept_none,
+	x86_intercept_cr_read,
+	x86_intercept_cr_write,
+	x86_intercept_clts,
 	x86_intercept_lmsw,
 	x86_intercept_smsw,
 	x86_intercept_lidt,