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| author | Fenghua Yu <fenghua.yu@intel.com> | 2012-11-13 11:32:47 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-11-14 15:28:10 -0800 |
| commit | 27fd185f3d9e83c64b7a596881d7751a638c9683 (patch) | |
| tree | 9a57964757232e78ad254967b6d1e8acb625a831 /arch/x86/kernel | |
| parent | e1c467e69040c3be68959332959c07fb3d818e87 (diff) | |
| download | blackbird-op-linux-27fd185f3d9e83c64b7a596881d7751a638c9683.tar.gz blackbird-op-linux-27fd185f3d9e83c64b7a596881d7751a638c9683.zip | |
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/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 7505f7b13e71..ca165ac6793b 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 |
