As long as there's no write access to this variable there's no reason to let gcc check it at runtime.
Signed-off-by: Adrian Bunk <[EMAIL PROTECTED]> --- arch/i386/kernel/topology.c | 2 -- include/asm-i386/cpu.h | 2 +- 2 files changed, 1 insertion(+), 3 deletions(-) --- linux-2.6.22-rc6-mm1/include/asm-i386/cpu.h.old 2007-07-04 20:29:25.000000000 +0200 +++ linux-2.6.22-rc6-mm1/include/asm-i386/cpu.h 2007-07-04 20:36:33.000000000 +0200 @@ -13,7 +13,7 @@ extern int arch_register_cpu(int num); #ifdef CONFIG_HOTPLUG_CPU extern void arch_unregister_cpu(int); -extern int enable_cpu_hotplug; +#define enable_cpu_hotplug 1 #else #define enable_cpu_hotplug 0 #endif --- linux-2.6.22-rc6-mm1/arch/i386/kernel/topology.c.old 2007-07-04 20:30:12.000000000 +0200 +++ linux-2.6.22-rc6-mm1/arch/i386/kernel/topology.c 2007-07-04 20:35:56.000000000 +0200 @@ -51,8 +51,6 @@ } #ifdef CONFIG_HOTPLUG_CPU -int enable_cpu_hotplug = 1; - void arch_unregister_cpu(int num) { return unregister_cpu(&cpu_devices[num].cpu); } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/