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authorAdrian Bunk <bunk@stusta.de>2007-10-17 12:04:38 -0400
committerThomas Gleixner <tglx@inhelltoy.tec.linutronix.de>2007-10-17 14:16:16 -0400
commita850cef77f148c2e305022a1ed86ca6cff5ee300 (patch)
tree4bae5d03aabdfa5f3a96a38c885cc943df8bb1b4 /arch/x86/kernel
parentfb7ae26df0b1218b39049b659064d57b58616c94 (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.c6
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
54int enable_cpu_hotplug = 1;
55
56void arch_unregister_cpu(int num) { 56void arch_unregister_cpu(int num) {
57 return unregister_cpu(&cpu_devices[num].cpu); 57 return unregister_cpu(&cpu_devices[num].cpu);
58} 58}