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


From: Xiaoyao Li
Subject: [PATCH 8/9] i386/cpu: Drop AMD alias bits in FEAT_8000_0001_EDX for non-AMD guests
Date: Wed, 14 Aug 2024 03:54:30 -0400

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 --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;
     }
-- 
2.34.1




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