[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v2 1/3] i386/cpuid: Decrease cpuid_i when skipping CPUID leaf 1F
From: |
Xiaoyao Li |
Subject: |
[PATCH v2 1/3] i386/cpuid: Decrease cpuid_i when skipping CPUID leaf 1F |
Date: |
Tue, 13 Jun 2023 09:19:27 -0400 |
Decrease array index cpuid_i when CPUID leaf 1F is skipped, otherwise it
will get an all zero'ed CPUID entry with leaf 0 and subleaf 0. It
conflicts with correct leaf 0.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
target/i386/kvm/kvm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index de531842f6b1..afa97799d89a 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -1956,6 +1956,7 @@ int kvm_arch_init_vcpu(CPUState *cs)
}
case 0x1f:
if (env->nr_dies < 2) {
+ cpuid_i--;
break;
}
/* fallthrough */
--
2.34.1