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x86: Don't copy per_cpu cpuinfo for BSP two times 

smp_store_cpu_info(0) will do that.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
LKML-Reference: <4D3A16F2.5090902@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2011-01-21 15:29:54 -08:00 committed by Ingo Molnar
parent b3d7336db5
commit 792363d2be
1 changed files with 3 additions and 3 deletions
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6
arch/x86/kernel/smpboot.c
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@ -1071,13 +1071,13 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
preempt_disable(); preempt_disable();
smp_cpu_index_default(); smp_cpu_index_default();
memcpy(__this_cpu_ptr(&cpu_info), &boot_cpu_data, sizeof(cpu_info));
cpumask_copy(cpu_callin_mask, cpumask_of(0));
mb();
/* /*
* Setup boot CPU information * Setup boot CPU information
*/ */
smp_store_cpu_info(0); /* Final full version of the data */ smp_store_cpu_info(0); /* Final full version of the data */
cpumask_copy(cpu_callin_mask, cpumask_of(0));
mb();
#ifdef CONFIG_X86_32 #ifdef CONFIG_X86_32
boot_cpu_logical_apicid = logical_smp_processor_id(); boot_cpu_logical_apicid = logical_smp_processor_id();
#endif #endif