mii/qemu
1
0
Fork 0
mirror of https://github.com/mii443/qemu.git synced 2025-08-22 23:25:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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>
(cherry picked from commit 10f92799af)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Xiaoyao Li
2024-01-24 21:40:14 -05:00
committed by Michael Tokarev
parent f18b018907
commit 46f701c44d
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
target/i386/kvm/kvm.c
View File

@ -1859,6 +1859,7 @@ 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 */