diff options
Diffstat (limited to 'arch/x86/kernel/process_32.c')
| -rw-r--r-- | arch/x86/kernel/process_32.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index e382fe0ccd6..d55eb49584b 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -75,26 +75,17 @@ unsigned long thread_saved_pc(struct task_struct *tsk) #ifdef CONFIG_HOTPLUG_CPU #include <asm/nmi.h> -static void cpu_exit_clear(void) +/* 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(); - cpu_uninit(); - irq_ctx_exit(cpu); + reset_lazy_tlbstate(); - cpu_clear(cpu, cpu_callout_map); - cpu_clear(cpu, cpu_callin_map); - - numa_remove_cpu(cpu); -} + irq_ctx_exit(cpu); -/* We don't actually take CPU down, just spin without interrupts. */ -void native_play_dead(void) -{ - /* This must be done before dead CPU ack */ - cpu_exit_clear(); mb(); /* Ack it */ __get_cpu_var(cpu_state) = CPU_DEAD; |