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linux-sg2042
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x86, hotplug: During CPU0 online, enable x2apic, set_numa_node. 

Previously these functions were not run on the BSP (CPU 0, the boot processor)
since the boot processor init would only be executed before this functionality
was initialized.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/1352835171-3958-11-git-send-email-fenghua.yu@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Fenghua Yu 2012-11-13 11:32:47 -08:00 committed by H. Peter Anvin
parent e1c467e690
commit 27fd185f3d
1 changed files with 2 additions and 3 deletions
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5
arch/x86/kernel/cpu/common.c
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@ -1237,7 +1237,7 @@ void __cpuinit cpu_init(void)
oist = &per_cpu(orig_ist, cpu);
#ifdef CONFIG_NUMA
if (cpu != 0 && this_cpu_read(numa_node) == 0 &&
if (this_cpu_read(numa_node) == 0 &&
early_cpu_to_node(cpu) != NUMA_NO_NODE)
set_numa_node(early_cpu_to_node(cpu));
#endif
@ -1269,8 +1269,7 @@ void __cpuinit cpu_init(void)
barrier();
x86_configure_nx();
if (cpu != 0)
enable_x2apic();
enable_x2apic();
/*
* set up and load the per-CPU TSS