diff mbox series

[8/9] i386/cpu: Drop AMD alias bits in FEAT_8000_0001_EDX for non-AMD guests

Message ID 20240814075431.339209-9-xiaoyao.li@intel.com (mailing list archive)
State New, archived
Headers show
Series Misc patches for x86 CPUID | expand

Commit Message

Xiaoyao Li Aug. 14, 2024, 7:54 a.m. UTC 
The AMD alias bits are reserved for Intel.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
 target/i386/cpu.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index fed805e04aeb..85ce405ece80 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -6118,6 +6118,11 @@  uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w)
 #endif
         break;
 
+    case FEAT_8000_0001_EDX:
+        if (cpu && !IS_AMD_CPU(&cpu->env)) {
+            unavail = CPUID_EXT2_AMD_ALIASES;
+        }
+        break;
     default:
         break;
     }