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| author | Paul Mundt <lethal@linux-sh.org> | 2010-05-20 11:57:38 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-05-20 11:57:38 +0900 |
| commit | ffee72d4681c8777918268a96aef42bdeb6c367b (patch) | |
| tree | 4baf91483886d561c198ed0524ab54b783273e86 /arch/sh/kernel/idle.c | |
| parent | fb54d268329846aa13b2bc44a64d90e9b7131192 (diff) | |
| parent | f72caf7e496465182eeda842ac66a5e75404ddf1 (diff) | |
| download | op-kernel-dev-ffee72d4681c8777918268a96aef42bdeb6c367b.zip op-kernel-dev-ffee72d4681c8777918268a96aef42bdeb6c367b.tar.gz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/sh/kernel/idle.c')
| -rw-r--r-- | arch/sh/kernel/idle.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c index 273f890..425d604 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(); |
