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authorSean Christopherson <sean.j.christopherson@intel.com>2019-08-27 14:40:32 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2019-09-24 14:30:54 +0200
commitb4000606205959e6cfe1fd3a71c490267ff23506 (patch)
tree247915a1320f0dff5be1921fd48c8126feb96d67 /arch/x86/include
parent42cbf06872cc44fb8d2d6665fa6494b5925eaf1c (diff)
KVM: x86: Add explicit flag for forced emulation on #UD
Add an explicit emulation type for forced #UD emulation and use it to detect that KVM should unconditionally inject a #UD instead of falling into its standard emulation failure handling. Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/kvm_host.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 80071d02b87d..f3c623dbd5ab 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1325,6 +1325,7 @@ enum emulation_result {
#define EMULTYPE_TRAP_UD (1 << 1)
#define EMULTYPE_SKIP (1 << 2)
#define EMULTYPE_ALLOW_RETRY (1 << 3)
+#define EMULTYPE_TRAP_UD_FORCED (1 << 4)
#define EMULTYPE_VMWARE_GP (1 << 5)
int kvm_emulate_instruction(struct kvm_vcpu *vcpu, int emulation_type);
int kvm_emulate_instruction_from_buffer(struct kvm_vcpu *vcpu,