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Subject[PATCH] 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>

---
arch/x86/kernel/smpboot.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: linux-2.6/arch/x86/kernel/smpboot.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/smpboot.c
+++ linux-2.6/arch/x86/kernel/smpboot.c
@@ -1071,13 +1071,13 @@ void __init native_smp_prepare_cpus(unsi

preempt_disable();
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
*/
smp_store_cpu_info(0); /* Final full version of the data */
+ cpumask_copy(cpu_callin_mask, cpumask_of(0));
+ mb();
#ifdef CONFIG_X86_32
boot_cpu_logical_apicid = logical_smp_processor_id();
#endif

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