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KVM: Always report x2apic as supported feature

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We emulate x2apic in software, so host support is not required.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov
2009-07-12 16:10:55 +03:00
committed by Avi Kivity
parent c7f0f24b1f
commit 0d1de2d901
1 changed files with 3 additions and 0 deletions
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arch/x86/kvm/x86.c
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@@ -1504,6 +1504,9 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
case 1: case 1:
entry->edx &= kvm_supported_word0_x86_features; entry->edx &= kvm_supported_word0_x86_features;
entry->ecx &= kvm_supported_word4_x86_features; entry->ecx &= kvm_supported_word4_x86_features;
/* we support x2apic emulation even if host does not support
* it since we emulate x2apic in software */
entry->ecx |= F(X2APIC);
break; break;
/* function 2 entries are STATEFUL. That is, repeated cpuid commands /* function 2 entries are STATEFUL. That is, repeated cpuid commands
* may return different values. This forces us to get_cpu() before * may return different values. This forces us to get_cpu() before