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x86: add x2apic config

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Impact: cleanup

so could deselect x2apic
and INTR_REMAP will select x2apic

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2009-02-16 17:29:58 -08:00
committed by Ingo Molnar
parent 9f361c2219
commit 06cd9a7dc8
8 changed files with 51 additions and 21 deletions
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arch/x86/kernel/smpboot.c
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@ -1128,8 +1128,8 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
current_thread_info()->cpu = 0; /* needed? */
set_cpu_sibling_map(0);
#ifdef CONFIG_X86_64
enable_IR_x2apic();
#ifdef CONFIG_X86_64
default_setup_apic_routing();
#endif