diff options
| author | Thomas Gleixner | 2016-03-10 12:54:13 +0100 |
|---|---|---|
| committer | Thomas Gleixner | 2016-05-06 14:58:24 +0200 |
| commit | 40190a78f85fec29f0fdd21f6b4415712085711e (patch) | |
| tree | 361bbb6d81e35ac5bd4783926aabf7394de85dd4 /include/linux | |
| parent | sched: Move sched_domains_numa_masks_clear() to DOWN_PREPARE (diff) | |
| download | kernel-qcow2-linux-40190a78f85fec29f0fdd21f6b4415712085711e.tar.gz kernel-qcow2-linux-40190a78f85fec29f0fdd21f6b4415712085711e.tar.xz kernel-qcow2-linux-40190a78f85fec29f0fdd21f6b4415712085711e.zip | |
sched/hotplug: Convert cpu_[in]active notifiers to state machine
Now that we reduced everything into single notifiers, it's simple to move them
into the hotplug state machine space.
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')
| -rw-r--r-- | include/linux/cpu.h | 12 | ||||
| -rw-r--r-- | include/linux/cpuhotplug.h | 1 | ||||
| -rw-r--r-- | include/linux/sched.h | 2 |
3 files changed, 3 insertions, 12 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 17017051bfb1..b22b000cf6ee 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -59,18 +59,6 @@ struct notifier_block; * CPU notifier priorities. */ enum { - /* - * SCHED_ACTIVE marks a cpu which is coming up active during - * 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_SCHED_INACTIVE = INT_MIN, - /* migration should happen before other stuff but after perf */ CPU_PRI_PERF = 20, CPU_PRI_MIGRATION = 10, diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 99fd1d2f76fe..9e07468bf1c5 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -13,6 +13,7 @@ enum cpuhp_state { CPUHP_AP_ONLINE, CPUHP_TEARDOWN_CPU, CPUHP_AP_ONLINE_IDLE, + CPUHP_AP_ACTIVE, CPUHP_AP_SMPBOOT_THREADS, CPUHP_AP_NOTIFY_ONLINE, CPUHP_AP_ONLINE_DYN, diff --git a/include/linux/sched.h b/include/linux/sched.h index 39597d0a005e..1e5f961b1a74 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -373,6 +373,8 @@ extern void trap_init(void); extern void update_process_times(int user); extern void scheduler_tick(void); extern int sched_cpu_starting(unsigned int cpu); +extern int sched_cpu_activate(unsigned int cpu); +extern int sched_cpu_deactivate(unsigned int cpu); extern void sched_show_task(struct task_struct *p); |