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-rw-r--r--arch/sh/kernel/idle.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index 273f890b17a..425d604e3a2 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -19,6 +19,7 @@
19#include <asm/pgalloc.h> 19#include <asm/pgalloc.h>
20#include <asm/system.h> 20#include <asm/system.h>
21#include <asm/atomic.h> 21#include <asm/atomic.h>
22#include <asm/smp.h>
22 23
23void (*pm_idle)(void) = NULL; 24void (*pm_idle)(void) = NULL;
24 25
@@ -89,10 +90,13 @@ void cpu_idle(void)
89 while (1) { 90 while (1) {
90 tick_nohz_stop_sched_tick(1); 91 tick_nohz_stop_sched_tick(1);
91 92
92 while (!need_resched() && cpu_online(cpu)) { 93 while (!need_resched()) {
93 check_pgt_cache(); 94 check_pgt_cache();
94 rmb(); 95 rmb();
95 96
97 if (cpu_is_offline(cpu))
98 play_dead();
99
96 local_irq_disable(); 100 local_irq_disable();
97 /* Don't trace irqs off for idle */ 101 /* Don't trace irqs off for idle */
98 stop_critical_timings(); 102 stop_critical_timings();
@@ -133,7 +137,7 @@ static void do_nothing(void *unused)
133void stop_this_cpu(void *unused) 137void stop_this_cpu(void *unused)
134{ 138{
135 local_irq_disable(); 139 local_irq_disable();
136 cpu_clear(smp_processor_id(), cpu_online_map); 140 set_cpu_online(smp_processor_id(), false);
137 141
138 for (;;) 142 for (;;)
139 cpu_sleep(); 143 cpu_sleep();