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| author | Gleb Natapov <gleb@redhat.com> | 2009-07-12 17:10:55 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 09:33:11 +0400 |
| commit | 0d1de2d901f4ba0972a3886496a44fb1d3300dbd (patch) | |
| tree | a6dac335b9ed7e174f7230c920a9d5aa246d4768 | |
| parent | c7f0f24b1f82ec049fcfb8e6d4e1cee2815efbe5 (diff) | |
| download | linux-0d1de2d901f4ba0972a3886496a44fb1d3300dbd.tar.xz | |
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>
| -rw-r--r-- | arch/x86/kvm/x86.c | 3 |
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 |