From: Adrian Bunk <[email protected]>
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]>
Signed-off-by: Andi Kleen <[email protected]>
Cc: Andi Kleen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
arch/i386/kernel/topology.c | 2 --
include/asm-i386/cpu.h | 2 +-
2 files changed, 1 insertion(+), 3 deletions(-)
Index: linux/arch/i386/kernel/topology.c
===================================================================
--- linux.orig/arch/i386/kernel/topology.c
+++ linux/arch/i386/kernel/topology.c
@@ -51,8 +51,6 @@ int arch_register_cpu(int num)
}
#ifdef CONFIG_HOTPLUG_CPU
-int enable_cpu_hotplug = 1;
-
void arch_unregister_cpu(int num) {
return unregister_cpu(&cpu_devices[num].cpu);
}
Index: linux/include/asm-i386/cpu.h
===================================================================
--- linux.orig/include/asm-i386/cpu.h
+++ linux/include/asm-i386/cpu.h
@@ -13,7 +13,7 @@ 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;
+#define enable_cpu_hotplug 1
#else
#define enable_cpu_hotplug 0
#endif
-
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