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kvm: fix 80000001.EDX supported bit filtering

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On AMD some bits from 1.EDX are reported in 80000001.EDX. The mask used
to copy bits from 1.EDX to 80000001.EDX is incorrect resulting in
unsupported features passed into a guest.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Gleb Natapov 2010-05-11 09:41:25 +03:00 committed by Marcelo Tosatti
parent 4513d9232b
commit c1667e4097
1 changed files with 1 additions and 1 deletions
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2
target-i386/kvm.c
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@ -111,7 +111,7 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, int reg)
* so add missing bits according to the AMD spec:
*/
cpuid_1_edx = kvm_arch_get_supported_cpuid(env, 1, R_EDX);
ret |= cpuid_1_edx & 0xdfeff7ff;
ret |= cpuid_1_edx & 0x183f7ff;
break;
}
break;