On 05/30/2011 06:17 PM, Yang, Wei Y wrote:
This patch masks CPUID leaf 7 ebx against host capability word9.
@@ -2404,6 +2408,15 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry,
u32 function,
}
break;
}
+ case 7: {
+ /* Mask ebx against host capbability word 9 */
+ if (index == 0) {
+ entry->ebx&= kvm_supported_word9_x86_features;
+ cpuid_mask(&entry->edx, 9);
+ }
+ break;
+ }
+ /* function 0xb has additional index. */
I see that function 7 also depends on ecx, so it should set
KVM_CPUID_FLAG_SIGNIFCANT_INDEX.
We should mask off ecx != 0 and all the reserved words, since we don't
support the features in them.
--
error compiling committee.c: too many arguments to function
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