diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2019-05-29 20:36:41 +0000 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2019-08-08 09:09:31 +0200 |
| commit | 03b7fad167efca3b7abbbb39733933f9df56e79c (patch) | |
| tree | 504ea9f63d5badf1559e6d430f69e56259c32dfe /kernel/sched/stop_task.c | |
| parent | sched: Rework CPU hotplug task selection (diff) | |
| download | linux-dev-03b7fad167efca3b7abbbb39733933f9df56e79c.tar.xz linux-dev-03b7fad167efca3b7abbbb39733933f9df56e79c.zip | |
sched: Add task_struct pointer to sched_class::set_curr_task
In preparation of further separating pick_next_task() and
set_curr_task() we have to pass the actual task into it, while there,
rename the thing to better pair with put_prev_task().
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Aaron Lu <aaron.lwe@gmail.com>
Cc: Valentin Schneider <valentin.schneider@arm.com>
Cc: mingo@kernel.org
Cc: Phil Auld <pauld@redhat.com>
Cc: Julien Desfossez <jdesfossez@digitalocean.com>
Cc: Nishanth Aravamudan <naravamudan@digitalocean.com>
Link: https://lkml.kernel.org/r/a96d1bcdd716db4a4c5da2fece647a1456c0ed78.1559129225.git.vpillai@digitalocean.com
Diffstat (limited to 'kernel/sched/stop_task.c')
| -rw-r--r-- | kernel/sched/stop_task.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/kernel/sched/stop_task.c b/kernel/sched/stop_task.c index c183b790ca54..47a3d2a18a9a 100644 --- a/kernel/sched/stop_task.c +++ b/kernel/sched/stop_task.c @@ -23,6 +23,11 @@ check_preempt_curr_stop(struct rq *rq, struct task_struct *p, int flags) /* we're never preempted */ } +static void set_next_task_stop(struct rq *rq, struct task_struct *stop) +{ + stop->se.exec_start = rq_clock_task(rq); +} + static struct task_struct * pick_next_task_stop(struct rq *rq, struct task_struct *prev, struct rq_flags *rf) { @@ -32,8 +37,7 @@ pick_next_task_stop(struct rq *rq, struct task_struct *prev, struct rq_flags *rf return NULL; put_prev_task(rq, prev); - - stop->se.exec_start = rq_clock_task(rq); + set_next_task_stop(rq, stop); return stop; } @@ -86,13 +90,6 @@ static void task_tick_stop(struct rq *rq, struct task_struct *curr, int queued) { } -static void set_curr_task_stop(struct rq *rq) -{ - struct task_struct *stop = rq->stop; - - stop->se.exec_start = rq_clock_task(rq); -} - static void switched_to_stop(struct rq *rq, struct task_struct *p) { BUG(); /* its impossible to change to this class */ @@ -128,13 +125,13 @@ const struct sched_class stop_sched_class = { .pick_next_task = pick_next_task_stop, .put_prev_task = put_prev_task_stop, + .set_next_task = set_next_task_stop, #ifdef CONFIG_SMP .select_task_rq = select_task_rq_stop, .set_cpus_allowed = set_cpus_allowed_common, #endif - .set_curr_task = set_curr_task_stop, .task_tick = task_tick_stop, .get_rr_interval = get_rr_interval_stop, |