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| author | Takashi Iwai <tiwai@suse.de> | 2011-08-08 14:30:29 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-08-08 14:30:29 +0200 |
| commit | 0a2d31b62dba9b5b92a38c67c9cc42630513662a (patch) | |
| tree | f755d74ec85248de645e10c45ed1a2ed467530f6 /include/linux/cpu.h | |
| parent | 8039290a91c5dc4414093c086987a5d7738fe2fd (diff) | |
| parent | df944f66784e6d4f2f50739263a4947885d8b6ae (diff) | |
Merge branch 'fix/kconfig' into for-linus
Diffstat (limited to 'include/linux/cpu.h')
| -rw-r--r-- | include/linux/cpu.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 5f09323ee88..b1a635acf72 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -70,6 +70,39 @@ enum { CPU_PRI_WORKQUEUE = 5, }; +#define CPU_ONLINE 0x0002 /* CPU (unsigned)v is up */ +#define CPU_UP_PREPARE 0x0003 /* CPU (unsigned)v coming up */ +#define CPU_UP_CANCELED 0x0004 /* CPU (unsigned)v NOT coming up */ +#define CPU_DOWN_PREPARE 0x0005 /* CPU (unsigned)v going down */ +#define CPU_DOWN_FAILED 0x0006 /* CPU (unsigned)v NOT going down */ +#define CPU_DEAD 0x0007 /* CPU (unsigned)v dead */ +#define CPU_DYING 0x0008 /* CPU (unsigned)v not running any task, + * not handling interrupts, soon dead. + * Called on the dying cpu, interrupts + * are already disabled. Must not + * sleep, must not fail */ +#define CPU_POST_DEAD 0x0009 /* CPU (unsigned)v dead, cpu_hotplug + * lock is dropped */ +#define CPU_STARTING 0x000A /* CPU (unsigned)v soon running. + * Called on the new cpu, just before + * enabling interrupts. Must not sleep, + * must not fail */ + +/* Used for CPU hotplug events occurring while tasks are frozen due to a suspend + * operation in progress + */ +#define CPU_TASKS_FROZEN 0x0010 + +#define CPU_ONLINE_FROZEN (CPU_ONLINE | CPU_TASKS_FROZEN) +#define CPU_UP_PREPARE_FROZEN (CPU_UP_PREPARE | CPU_TASKS_FROZEN) +#define CPU_UP_CANCELED_FROZEN (CPU_UP_CANCELED | CPU_TASKS_FROZEN) +#define CPU_DOWN_PREPARE_FROZEN (CPU_DOWN_PREPARE | CPU_TASKS_FROZEN) +#define CPU_DOWN_FAILED_FROZEN (CPU_DOWN_FAILED | CPU_TASKS_FROZEN) +#define CPU_DEAD_FROZEN (CPU_DEAD | CPU_TASKS_FROZEN) +#define CPU_DYING_FROZEN (CPU_DYING | CPU_TASKS_FROZEN) +#define CPU_STARTING_FROZEN (CPU_STARTING | CPU_TASKS_FROZEN) + + #ifdef CONFIG_SMP /* Need to know about CPUs going up/down? */ #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) |