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authorYinghai Lu <yinghai@kernel.org>2011-01-21 15:29:54 -0800
committerIngo Molnar <mingo@elte.hu>2011-01-26 08:44:50 +0100
commit792363d2beceb1c7d865e517fa9939c8b8c1442a (patch)
tree734b361838e080231bf1d91a559be0dc6f5aad23 /arch/x86/kernel/smpboot.c
parentb3d7336db553d318e7ec042eb50a70d307013339 (diff)
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>
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r--arch/x86/kernel/smpboot.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index d396155f436..a7a3d1acc63 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1071,13 +1071,13 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
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