diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2016-03-10 12:54:11 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-05-06 14:58:23 +0200 |
| commit | 135fb3e19773e66f56b60e3b9fdda6166e77c55d (patch) | |
| tree | 0a4bf2061e2f579267309912ad84f055d054be59 /include/linux/cpu.h | |
| parent | e26fbffd32c28107d9d268b432706ccf84fb6411 (diff) | |
sched: Consolidate the notifier maze
We can maintain the ordering of the scheduler cpu hotplug functionality nicely
in one notifer. Get rid of the maze.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: rt@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/cpu.h')
| -rw-r--r-- | include/linux/cpu.h | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index f9b1fab4388a..17017051bfb1 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -61,19 +61,15 @@ struct notifier_block; enum { /* * SCHED_ACTIVE marks a cpu which is coming up active during - * CPU_ONLINE and CPU_DOWN_FAILED and must be the first - * notifier. CPUSET_ACTIVE adjusts cpuset according to - * cpu_active mask right after SCHED_ACTIVE. During - * CPU_DOWN_PREPARE, SCHED_INACTIVE and CPUSET_INACTIVE are - * ordered in the similar way. + * CPU_ONLINE and CPU_DOWN_FAILED and must be the first notifier. Is + * also cpuset according to cpu_active mask right after activating the + * cpu. During CPU_DOWN_PREPARE, SCHED_INACTIVE reversed the operation. * * This ordering guarantees consistent cpu_active mask and * migration behavior to all cpu notifiers. */ CPU_PRI_SCHED_ACTIVE = INT_MAX, - CPU_PRI_CPUSET_ACTIVE = INT_MAX - 1, - CPU_PRI_SCHED_INACTIVE = INT_MIN + 1, - CPU_PRI_CPUSET_INACTIVE = INT_MIN, + CPU_PRI_SCHED_INACTIVE = INT_MIN, /* migration should happen before other stuff but after perf */ CPU_PRI_PERF = 20, |