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i386/cpuid: Decrease cpuid_i when skipping CPUID leaf 1F 

Existing code misses a decrement of cpuid_i when skip leaf 0x1F.
There's a blank CPUID entry(with leaf, subleaf as 0, and all fields
stuffed 0s) left in the CPUID array.

It conflicts with correct CPUID leaf 0.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by:Yang Weijiang <weijiang.yang@intel.com>
Message-ID: <20240125024016.2521244-2-xiaoyao.li@intel.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Xiaoyao Li 2024-01-24 21:40:14 -05:00 committed by Paolo Bonzini
parent ea18be78a6
commit 10f92799af
1 changed files with 1 additions and 0 deletions
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target/i386/kvm/kvm.c
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@ -1914,6 +1914,7 @@ int kvm_arch_init_vcpu(CPUState *cs)
} }
case 0x1f: case 0x1f:
if (env->nr_dies < 2) { if (env->nr_dies < 2) {
cpuid_i--;
break; break;
} }
/* fallthrough */ /* fallthrough */