diff mbox series

[v2,15/21] KVM:x86: Report CET MSRs as to-be-saved if CET is supported

Message ID 20230421134615.62539-16-weijiang.yang@intel.com (mailing list archive)
State New, archived
Headers show
Series Enable CET Virtualization | expand

Commit Message

Yang, Weijiang April 21, 2023, 1:46 p.m. UTC 
Report all CET MSRs, including the synthetic GUEST_SSP MSR, as
to-be-saved, e.g. for migration, if CET is supported by KVM.

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 mbox series

Patch

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 7cd7f6755acd..95dba3c3df5f 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[] = {