Messages in this thread Patch in this message | | | From | Yinghai Lu <> | Subject | [PATCH 09/10] x86, apic: set fixmap only one time | Date | Fri, 6 Aug 2010 19:15:42 -0700 |
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check if mp_lapic_addr is assigned or not.
Signed-off-by: Yinghai Lu <yinghai@kernel.org> --- arch/x86/kernel/apic/apic.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 2c9aa63..198131b 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1611,6 +1611,9 @@ void __init init_apic_mappings(void) void __init smp_register_lapic_address(unsigned long address) { + if (mp_lapic_addr) + return; + mp_lapic_addr = address; set_fixmap_nocache(FIX_APIC_BASE, address); -- 1.6.4.2
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