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Diffstat (limited to 'arch/x86/kernel/process_32.c')
-rw-r--r--arch/x86/kernel/process_32.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index e382fe0ccd66..d55eb49584b1 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)
75#ifdef CONFIG_HOTPLUG_CPU 75#ifdef CONFIG_HOTPLUG_CPU
76#include <asm/nmi.h> 76#include <asm/nmi.h>
77 77
78static void cpu_exit_clear(void) 78/* We don't actually take CPU down, just spin without interrupts. */
79void native_play_dead(void)
79{ 80{
80 int cpu = raw_smp_processor_id(); 81 int cpu = raw_smp_processor_id();
81 82
82 idle_task_exit(); 83 idle_task_exit();
83 84
84 cpu_uninit(); 85 reset_lazy_tlbstate();
85 irq_ctx_exit(cpu);
86 86
87 cpu_clear(cpu, cpu_callout_map); 87 irq_ctx_exit(cpu);
88 cpu_clear(cpu, cpu_callin_map);
89
90 numa_remove_cpu(cpu);
91}
92 88
93/* We don't actually take CPU down, just spin without interrupts. */
94void native_play_dead(void)
95{
96 /* This must be done before dead CPU ack */
97 cpu_exit_clear();
98 mb(); 89 mb();
99 /* Ack it */ 90 /* Ack it */
100 __get_cpu_var(cpu_state) = CPU_DEAD; 91 __get_cpu_var(cpu_state) = CPU_DEAD;