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    Subject[PATCH 02/18] x86: apic - introduce get_physical_broadcast for 64bit
    Date
    From: Cyrill Gorcunov <gorcunov@gmail.com>

    We don't really use it now on 64bit mode but
    could reserve it for future.

    Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
    Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
    ---
    arch/x86/kernel/apic_64.c | 10 ++++++++++
    1 files changed, 10 insertions(+), 0 deletions(-)
    diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
    index 8f55127..bb46711 100644
    --- a/arch/x86/kernel/apic_64.c
    +++ b/arch/x86/kernel/apic_64.c
    @@ -244,6 +244,16 @@ void __cpuinit enable_NMI_through_LVT0(void)
    apic_write(APIC_LVT0, v);
    }

    +#ifdef CONFIG_X86_32
    +/**
    + * get_physical_broadcast - Get number of physical broadcast IDs
    + */
    +int get_physical_broadcast(void)
    +{
    + return modern_apic() ? 0xff : 0xf;
    +}
    +#endif
    +
    /**
    * lapic_get_maxlvt - get the maximum number of local vector table entries
    */
    --
    1.5.4.5


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