diff options
Diffstat (limited to 'arch/ppc/kernel/idle.c')
| -rw-r--r-- | arch/ppc/kernel/idle.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c index fba29c876b6..821a75e4560 100644 --- a/arch/ppc/kernel/idle.c +++ b/arch/ppc/kernel/idle.c @@ -32,6 +32,7 @@ #include <asm/cache.h> #include <asm/cputable.h> #include <asm/machdep.h> +#include <asm/smp.h> void default_idle(void) { @@ -52,10 +53,6 @@ void default_idle(void) } #endif } - if (need_resched()) - schedule(); - if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING) - cpu_die(); } /* @@ -63,18 +60,29 @@ void default_idle(void) */ void cpu_idle(void) { - for (;;) - if (ppc_md.idle != NULL) - ppc_md.idle(); - else - default_idle(); + int cpu = smp_processor_id(); + + for (;;) { + while (!need_resched()) { + if (ppc_md.idle != NULL) + ppc_md.idle(); + else + default_idle(); + } + + if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING) + cpu_die(); + preempt_enable_no_resched(); + schedule(); + preempt_disable(); + } } #if defined(CONFIG_SYSCTL) && defined(CONFIG_6xx) /* * Register the sysctl to set/clear powersave_nap. */ -extern unsigned long powersave_nap; +extern int powersave_nap; static ctl_table powersave_nap_ctl_table[]={ { |