diff options
Diffstat (limited to 'include/linux/cpu.h')
| -rw-r--r-- | include/linux/cpu.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 4260e8594bd7..c0fb6b1b4712 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -73,6 +73,7 @@ enum { /* migration should happen before other stuff but after perf */ CPU_PRI_PERF = 20, CPU_PRI_MIGRATION = 10, + CPU_PRI_SMPBOOT = 9, /* bring up workqueues before normal notifiers and down after */ CPU_PRI_WORKQUEUE_UP = 5, CPU_PRI_WORKQUEUE_DOWN = -5, @@ -95,6 +96,10 @@ enum { * Called on the new cpu, just before * enabling interrupts. Must not sleep, * must not fail */ +#define CPU_DYING_IDLE 0x000B /* CPU (unsigned)v dying, reached + * idle loop. */ +#define CPU_BROKEN 0x000C /* CPU (unsigned)v did not die properly, + * perhaps due to preemption. */ /* Used for CPU hotplug events occurring while tasks are frozen due to a suspend * operation in progress @@ -161,6 +166,7 @@ static inline void __unregister_cpu_notifier(struct notifier_block *nb) } #endif +void smpboot_thread_init(void); int cpu_up(unsigned int cpu); void notify_cpu_starting(unsigned int cpu); extern void cpu_maps_update_begin(void); @@ -208,6 +214,10 @@ static inline void cpu_notifier_register_done(void) { } +static inline void smpboot_thread_init(void) +{ +} + #endif /* CONFIG_SMP */ extern struct bus_type cpu_subsys; @@ -271,4 +281,14 @@ void arch_cpu_idle_enter(void); void arch_cpu_idle_exit(void); void arch_cpu_idle_dead(void); +DECLARE_PER_CPU(bool, cpu_dead_idle); + +int cpu_report_state(int cpu); +int cpu_check_up_prepare(int cpu); +void cpu_set_state_online(int cpu); +#ifdef CONFIG_HOTPLUG_CPU +bool cpu_wait_death(unsigned int cpu, int seconds); +bool cpu_report_death(void); +#endif /* #ifdef CONFIG_HOTPLUG_CPU */ + #endif /* _LINUX_CPU_H_ */ |