diff options
author | Adrian Bunk <bunk@stusta.de> | 2007-10-17 12:04:38 -0400 |
---|---|---|
committer | Thomas Gleixner <tglx@inhelltoy.tec.linutronix.de> | 2007-10-17 14:16:16 -0400 |
commit | a850cef77f148c2e305022a1ed86ca6cff5ee300 (patch) | |
tree | 4bae5d03aabdfa5f3a96a38c885cc943df8bb1b4 /arch/x86/kernel | |
parent | fb7ae26df0b1218b39049b659064d57b58616c94 (diff) |
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')
-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) | |||
44 | * Also certain PCI quirks require not to enable hotplug control | 44 | * Also certain PCI quirks require not to enable hotplug control |
45 | * for all CPU's. | 45 | * for all CPU's. |
46 | */ | 46 | */ |
47 | if (num && enable_cpu_hotplug) | 47 | #ifdef CONFIG_HOTPLUG_CPU |
48 | if (num) | ||
48 | cpu_devices[num].cpu.hotpluggable = 1; | 49 | cpu_devices[num].cpu.hotpluggable = 1; |
50 | #endif | ||
49 | 51 | ||
50 | return register_cpu(&cpu_devices[num].cpu, num); | 52 | return register_cpu(&cpu_devices[num].cpu, num); |
51 | } | 53 | } |
52 | 54 | ||
53 | #ifdef CONFIG_HOTPLUG_CPU | 55 | #ifdef CONFIG_HOTPLUG_CPU |
54 | int enable_cpu_hotplug = 1; | ||
55 | |||
56 | void arch_unregister_cpu(int num) { | 56 | void arch_unregister_cpu(int num) { |
57 | return unregister_cpu(&cpu_devices[num].cpu); | 57 | return unregister_cpu(&cpu_devices[num].cpu); |
58 | } | 58 | } |