diff mbox series

[v1,33/40] i386/tdx: Don't allow system reset for TDX VMs

Message ID 20220802074750.2581308-34-xiaoyao.li@intel.com (mailing list archive)
State New, archived
Headers show
Series TDX QEMU support | expand

Commit Message

Xiaoyao Li Aug. 2, 2022, 7:47 a.m. UTC 
TDX CPU state is protected and thus vcpu state cann't be reset by VMM.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
---
 target/i386/kvm/kvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 1545b6f870f5..8c282122ed67 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -5455,7 +5455,7 @@  bool kvm_has_waitpkg(void)
 
 bool kvm_arch_cpu_check_are_resettable(void)
 {
-    return !sev_es_enabled();
+    return !sev_es_enabled() && !is_tdx_vm();
 }
 
 #define ARCH_REQ_XCOMP_GUEST_PERM       0x1025