[RFC PATCH 19/19] i386: Disable SMM mode for X86_SW_PROTECTED_VM

[Xiaoyao Li <xiaoyao.li@xxxxxxxxx>]

Signed-off-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx>
---
 target/i386/kvm/kvm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index a96640512dbc..62f237068a3a 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -2654,6 +2654,13 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
 
     if (x86ms->vm_type == KVM_X86_SW_PROTECTED_VM) {
         memory_listener_register(&kvm_x86_sw_protected_vm_memory_listener, &address_space_memory);
+
+        if (x86ms->smm == ON_OFF_AUTO_AUTO) {
+            x86ms->smm = ON_OFF_AUTO_OFF;
+        } else if (x86ms->smm == ON_OFF_AUTO_ON) {
+            error_report("X86_SW_PROTECTED_VM doesn't support SMM");
+            return -EINVAL;
+        }
     }
 
     if (!kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) {
-- 
2.34.1