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Diffstat (limited to 'arch/x86/kernel/process_32.c')
-rw-r--r--arch/x86/kernel/process_32.c32
1 files changed, 0 insertions, 32 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index d55eb49584b..633cf06578f 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -72,38 +72,6 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
return ((unsigned long *)tsk->thread.sp)[3];
}
-#ifdef CONFIG_HOTPLUG_CPU
-#include <asm/nmi.h>
-
-/* We don't actually take CPU down, just spin without interrupts. */
-void native_play_dead(void)
-{
- int cpu = raw_smp_processor_id();
-
- idle_task_exit();
-
- reset_lazy_tlbstate();
-
- irq_ctx_exit(cpu);
-
- mb();
- /* Ack it */
- __get_cpu_var(cpu_state) = CPU_DEAD;
-
- /*
- * With physical CPU hotplug, we should halt the cpu
- */
- local_irq_disable();
- /* mask all interrupts, flush any and all caches, and halt */
- wbinvd_halt();
-}
-#else
-void native_play_dead(void)
-{
- BUG();
-}
-#endif /* CONFIG_HOTPLUG_CPU */
-
/*
* The idle thread. There's no useful work to be
* done, so just try to conserve power and have a