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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-09-14 08:19:08 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-09-14 08:19:08 -0400 |
| commit | 905ec87e93bc9e01b15c60035cd6a50c636cbaef (patch) | |
| tree | 46fd7618d6511611ffc19eb0dd4d7bc6b90a41c2 /arch/ppc/kernel/idle.c | |
| parent | 1d6ae775d7a948c9575658eb41184fd2e506c0df (diff) | |
| parent | 2f4ba45a75d6383b4a1201169a808ffea416ffa0 (diff) | |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'arch/ppc/kernel/idle.c')
| -rw-r--r-- | arch/ppc/kernel/idle.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c index 53547b6de45..fba29c876b6 100644 --- a/arch/ppc/kernel/idle.c +++ b/arch/ppc/kernel/idle.c @@ -22,6 +22,7 @@ #include <linux/ptrace.h> #include <linux/slab.h> #include <linux/sysctl.h> +#include <linux/cpu.h> #include <asm/pgtable.h> #include <asm/uaccess.h> @@ -35,6 +36,7 @@ void default_idle(void) { void (*powersave)(void); + int cpu = smp_processor_id(); powersave = ppc_md.power_save; @@ -44,7 +46,7 @@ void default_idle(void) #ifdef CONFIG_SMP else { set_thread_flag(TIF_POLLING_NRFLAG); - while (!need_resched()) + while (!need_resched() && !cpu_is_offline(cpu)) barrier(); clear_thread_flag(TIF_POLLING_NRFLAG); } @@ -52,6 +54,8 @@ void default_idle(void) } if (need_resched()) schedule(); + if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING) + cpu_die(); } /* |