[RFC PATCH 05/18] KVM: x86: Add pt_guest_exec_control to kvm_vcpu_arch

From: Jon Kohler
Date: Thu Mar 13 2025 - 16:13:17 EST


Add bool for pt_guest_exec_control to kvm_vcpu_arch, to be used for
runtime checks for Intel Mode Based Execution Control (MBEC) and
AMD Guest Mode Execute Control (GMET).

Signed-off-by: Jon Kohler <jon@xxxxxxxxxxx>

---
arch/x86/include/asm/kvm_host.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index fd37dad38670..192233eb557a 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -856,6 +856,8 @@ struct kvm_vcpu_arch {
struct kvm_hypervisor_cpuid kvm_cpuid;
bool is_amd_compatible;

+ bool pt_guest_exec_control;
+
/*
* FIXME: Drop this macro and use KVM_NR_GOVERNED_FEATURES directly
* when "struct kvm_vcpu_arch" is no longer defined in an
--
2.43.0