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authorGleb Natapov <gleb@redhat.com>2009-07-12 16:10:55 +0300
committerAvi Kivity <avi@redhat.com>2009-09-10 08:33:11 +0300
commit0d1de2d901f4ba0972a3886496a44fb1d3300dbd (patch)
treea6dac335b9ed7e174f7230c920a9d5aa246d4768 /arch
parentc7f0f24b1f82ec049fcfb8e6d4e1cee2815efbe5 (diff)
KVM: Always report x2apic as supported feature
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/x86.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index e3d9040f2156..dfb0e37b3c65 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1504,6 +1504,9 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
case 1:
entry->edx &= kvm_supported_word0_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;
/* function 2 entries are STATEFUL. That is, repeated cpuid commands
* may return different values. This forces us to get_cpu() before