[PATCH v15 32/41] KVM: x86: Define Control Protection Exception (#CP) vector

Sean Christopherson
2025-09-12T23:24:23Z

Add a CP_VECTOR definition for CET's Control Protection Exception (#CP),
along with human friendly formatting for trace_kvm_inj_exception().

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/include/uapi/asm/kvm.h | 1 +
arch/x86/kvm/trace.h | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
index 8cc79eca34b2..6faf0dcedf74 100644
--- a/arch/x86/include/uapi/asm/kvm.h
+++ b/arch/x86/include/uapi/asm/kvm.h
@@ -35,6 +35,7 @@
#define MC_VECTOR 18
#define XM_VECTOR 19
#define VE_VECTOR 20
+#define CP_VECTOR 21

/* Select x86 specific features in <linux/kvm.h> */
#define __KVM_HAVE_PIT
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 06da19b370c5..322913dda626 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -462,7 +462,7 @@ TRACE_EVENT(kvm_inj_virq,
#define kvm_trace_sym_exc \
EXS(DE), EXS(DB), EXS(BP), EXS(OF), EXS(BR), EXS(UD), EXS(NM), \
EXS(DF), EXS(TS), EXS(NP), EXS(SS), EXS(GP), EXS(PF), EXS(MF), \
- EXS(AC), EXS(MC), EXS(XM), EXS(VE)
+ EXS(AC), EXS(MC), EXS(XM), EXS(VE), EXS(CP)

/*
* Tracepoint for kvm interrupt injection:
--
2.51.0.384.g4c02a37b29-goog