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[RFC,v3,29/36] i386/tdx: Don't allow system reset for TDX VMs

Message ID 20220317135913.2166202-30-xiaoyao.li@intel.com
State New
Headers show
Series TDX QEMU support | expand

Commit Message

Xiaoyao Li March 17, 2022, 1:59 p.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>
---
 target/i386/kvm/kvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 4a8b6e2c8797..ccbafb4ca183 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -5266,7 +5266,7 @@  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