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authorFenghua Yu <fenghua.yu@intel.com>2012-11-13 11:32:47 -0800
committerH. Peter Anvin <hpa@linux.intel.com>2012-11-14 15:28:10 -0800
commit27fd185f3d9e83c64b7a596881d7751a638c9683 (patch)
tree9a57964757232e78ad254967b6d1e8acb625a831 /arch/x86
parente1c467e69040c3be68959332959c07fb3d818e87 (diff)
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>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/cpu/common.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 7505f7b13e7..ca165ac6793 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -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