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authorTony Lindgren <tony@atomide.com>2010-05-20 11:37:23 -0700
committerTony Lindgren <tony@atomide.com>2010-05-20 11:37:23 -0700
commitf6304f5804f228b6c2fea9e3dfac25c5b2db9b38 (patch)
tree362b9b6a3bd32b868e5917a32d448ac75c5854df /arch/sh/kernel/idle.c
parent4fa73a1bf89ebea4eba8a9982b5f64d266d8b5e9 (diff)
parent6daa642d9b8ec762b3c5641cd5e5fa855a5405bf (diff)
Merge branch 'omap4-i2c-init' into omap-for-linus
Diffstat (limited to 'arch/sh/kernel/idle.c')
-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 273f890b17ae..425d604e3a28 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -19,6 +19,7 @@
#include <asm/pgalloc.h>
#include <asm/system.h>
#include <asm/atomic.h>
+#include <asm/smp.h>
void (*pm_idle)(void) = NULL;
@@ -89,10 +90,13 @@ void cpu_idle(void)
while (1) {
tick_nohz_stop_sched_tick(1);
- while (!need_resched() && cpu_online(cpu)) {
+ while (!need_resched()) {
check_pgt_cache();
rmb();
+ if (cpu_is_offline(cpu))
+ play_dead();
+
local_irq_disable();
/* Don't trace irqs off for idle */
stop_critical_timings();
@@ -133,7 +137,7 @@ static void do_nothing(void *unused)
void stop_this_cpu(void *unused)
{
local_irq_disable();
- cpu_clear(smp_processor_id(), cpu_online_map);
+ set_cpu_online(smp_processor_id(), false);
for (;;)
cpu_sleep();