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    Subject[PATCH 18/46] KVM: Always report x2apic as supported feature
    Date
    From: Gleb Natapov <gleb@redhat.com>

    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>
    ---
    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 e3d9040..dfb0e37 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
    --
    1.6.4.1


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