diff options
Diffstat (limited to 'arch/arm/kernel/process.c')
| -rw-r--r-- | arch/arm/kernel/process.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 409db6d5ec9..ba298277bec 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -26,6 +26,7 @@ #include <linux/interrupt.h> #include <linux/kallsyms.h> #include <linux/init.h> +#include <linux/cpu.h> #include <asm/system.h> #include <asm/io.h> @@ -105,6 +106,14 @@ void cpu_idle(void) /* endless idle loop with no priority at all */ while (1) { void (*idle)(void) = pm_idle; + +#ifdef CONFIG_HOTPLUG_CPU + if (cpu_is_offline(smp_processor_id())) { + leds_event(led_idle_start); + cpu_die(); + } +#endif + if (!idle) idle = default_idle; preempt_disable(); |