diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2020-11-17 18:19:32 -0500 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-05-12 11:43:28 +0200 |
| commit | 21f56ffe4482e501b9e83737612493eeaac21f5a (patch) | |
| tree | 5751d649c59634ba11f57e214614d7d7168df7bb /kernel/sched/sched.h | |
| parent | sched: Allow sched_core_put() from atomic context (diff) | |
| download | linux-dev-21f56ffe4482e501b9e83737612493eeaac21f5a.tar.xz linux-dev-21f56ffe4482e501b9e83737612493eeaac21f5a.zip | |
sched: Introduce sched_class::pick_task()
Because sched_class::pick_next_task() also implies
sched_class::set_next_task() (and possibly put_prev_task() and
newidle_balance) it is not state invariant. This makes it unsuitable
for remote task selection.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
[Vineeth: folded fixes]
Signed-off-by: Vineeth Remanan Pillai <viremana@linux.microsoft.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Don Hiatt <dhiatt@digitalocean.com>
Tested-by: Hongyu Ning <hongyu.ning@linux.intel.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lkml.kernel.org/r/20210422123308.437092775@infradead.org
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index ca30af37b906..fa990cd259ce 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1953,6 +1953,9 @@ struct sched_class { #ifdef CONFIG_SMP int (*balance)(struct rq *rq, struct task_struct *prev, struct rq_flags *rf); int (*select_task_rq)(struct task_struct *p, int task_cpu, int flags); + + struct task_struct * (*pick_task)(struct rq *rq); + void (*migrate_task_rq)(struct task_struct *p, int new_cpu); void (*task_woken)(struct rq *this_rq, struct task_struct *task); |