KVM: x86: Add x86 callback for intercept check

This patch adds a callback into kvm_x86_ops so that svm and
vmx code can do intercept checks on emulated instructions.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 2b99ae72481f..3dfefe3bcd05 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4409,6 +4409,13 @@ static void vmx_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
 {
 }
 
+static int vmx_check_intercept(struct kvm_vcpu *vcpu,
+                               struct x86_instruction_info *info,
+                               enum x86_intercept_stage stage)
+{
+        return X86EMUL_CONTINUE;
+}
+
 static struct kvm_x86_ops vmx_x86_ops = {
         .cpu_has_kvm_support = cpu_has_kvm_support,
         .disabled_by_bios = vmx_disabled_by_bios,
@@ -4494,6 +4501,8 @@ static struct kvm_x86_ops vmx_x86_ops = {
         .adjust_tsc_offset = vmx_adjust_tsc_offset,
 
         .set_tdp_cr3 = vmx_set_cr3,
+
+        .check_intercept = vmx_check_intercept,
 };
 
 static int __init vmx_init(void)