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| author | Ingo Molnar <mingo@kernel.org> | 2017-10-10 11:30:59 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-10-10 11:30:59 +0200 |
| commit | 151aeab77738469ddbf0f9532e2fddd0d231aa2b (patch) | |
| tree | cb1320931d458aeecd1d504575c62ad554a3417a /include/linux/cpuhotplug.h | |
| parent | 17de4ee04ca925590df036b112c1db8a778e14bf (diff) | |
| parent | 024c9d2faebdad3fb43fe49ad68e91a36190f1e2 (diff) | |
| download | lwn-151aeab77738469ddbf0f9532e2fddd0d231aa2b.tar.gz lwn-151aeab77738469ddbf0f9532e2fddd0d231aa2b.zip | |
Merge branch 'sched/urgent' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/cpuhotplug.h')
| -rw-r--r-- | include/linux/cpuhotplug.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index f24bfb2b9a2d..6d508767e144 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -3,8 +3,27 @@ #include <linux/types.h> +/* + * CPU-up CPU-down + * + * BP AP BP AP + * + * OFFLINE OFFLINE + * | ^ + * v | + * BRINGUP_CPU->AP_OFFLINE BRINGUP_CPU <- AP_IDLE_DEAD (idle thread/play_dead) + * | AP_OFFLINE + * v (IRQ-off) ,---------------^ + * AP_ONLNE | (stop_machine) + * | TEARDOWN_CPU <- AP_ONLINE_IDLE + * | ^ + * v | + * AP_ACTIVE AP_ACTIVE + */ + enum cpuhp_state { - CPUHP_OFFLINE, + CPUHP_INVALID = -1, + CPUHP_OFFLINE = 0, CPUHP_CREATE_THREADS, CPUHP_PERF_PREPARE, CPUHP_PERF_X86_PREPARE, |