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>

1 files changed, 0 insertions, 3 deletions

diff --git a/include/asm-x86/cpu.h b/include/asm-x86/cpu.h
index 9d914e1e4aad..b1bc7b1b64b0 100644
--- a/include/asm-x86/cpu.h
+++ b/include/asm-x86/cpu.h
@@ -13,9 +13,6 @@ struct i386_cpu {
 extern int arch_register_cpu(int num);
 #ifdef CONFIG_HOTPLUG_CPU
 extern void arch_unregister_cpu(int);
-extern int enable_cpu_hotplug;
-#else
-#define enable_cpu_hotplug      0
 #endif
 
 DECLARE_PER_CPU(int, cpu_state);