diff options
| author | Adrian Bunk <bunk@stusta.de> | 2007-10-17 20:04:38 +0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@inhelltoy.tec.linutronix.de> | 2007-10-17 22:16:16 +0400 |
| commit | a850cef77f148c2e305022a1ed86ca6cff5ee300 (patch) | |
| tree | 4bae5d03aabdfa5f3a96a38c885cc943df8bb1b4 /arch/x86/kernel/topology.c | |
| parent | fb7ae26df0b1218b39049b659064d57b58616c94 (diff) | |
| download | linux-a850cef77f148c2e305022a1ed86ca6cff5ee300.tar.xz | |
i386: no need to make enable_cpu_hotplug a variable
As long as there's no write access to this variable there's no reason to
let gcc check it at runtime.
[ tglx: arch/x86 adaptation ]
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/topology.c')
| -rw-r--r-- | arch/x86/kernel/topology.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c index c25f23eb397c..8caa0b777466 100644 --- a/arch/x86/kernel/topology.c +++ b/arch/x86/kernel/topology.c @@ -44,15 +44,15 @@ int arch_register_cpu(int num) * Also certain PCI quirks require not to enable hotplug control * for all CPU's. */ - if (num && enable_cpu_hotplug) +#ifdef CONFIG_HOTPLUG_CPU + if (num) cpu_devices[num].cpu.hotpluggable = 1; +#endif return register_cpu(&cpu_devices[num].cpu, num); } #ifdef CONFIG_HOTPLUG_CPU -int enable_cpu_hotplug = 1; - void arch_unregister_cpu(int num) { return unregister_cpu(&cpu_devices[num].cpu); } |