[PATCH v3 15/21] KVM:x86: Report CET MSRs as to-be-saved if CET is supported

Yang Weijiang
2023-05-11T07:15:50Z

Report CET user mode MSRs, including the synthetic GUEST_SSP MSR,
as to-be-saved MSRs.

Co-developed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Yang Weijiang <weijiang.yang@intel.com>
---
arch/x86/kvm/x86.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index baac6acebd40..50026557fb2a 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1470,6 +1470,7 @@ static const u32 msrs_to_save_base[] = {

MSR_IA32_XFD, MSR_IA32_XFD_ERR,
MSR_IA32_XSS,
+ MSR_IA32_U_CET, MSR_IA32_PL3_SSP, MSR_KVM_GUEST_SSP,
};

static const u32 msrs_to_save_pmu[] = {
--
2.27.0