Messages in this thread Patch in this message | | | From | Yinghai Lu <> | Subject | [PATCH 02/18] x86: apic - introduce get_physical_broadcast for 64bit | Date | Sun, 24 Aug 2008 02:01:40 -0700 |
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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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