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sched: Add task_struct pointer to sched_class::set_curr_task

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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
This commit is contained in:
Peter Zijlstra
2019-05-29 20:36:41 +00:00
parent 10e7071b2f
commit 03b7fad167
7 changed files with 49 additions and 47 deletions
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12
kernel/sched/core.c
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@@ -1494,7 +1494,7 @@ void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
if (queued)
enqueue_task(rq, p, ENQUEUE_RESTORE | ENQUEUE_NOCLOCK);
if (running)
set_curr_task(rq, p);
set_next_task(rq, p);
}
/*
@@ -4325,7 +4325,7 @@ void rt_mutex_setprio(struct task_struct *p, struct task_struct *pi_task)
if (queued)
enqueue_task(rq, p, queue_flag);
if (running)
set_curr_task(rq, p);
set_next_task(rq, p);
check_class_changed(rq, p, prev_class, oldprio);
out_unlock:
@@ -4392,7 +4392,7 @@ void set_user_nice(struct task_struct *p, long nice)
resched_curr(rq);
}
if (running)
set_curr_task(rq, p);
set_next_task(rq, p);
out_unlock:
task_rq_unlock(rq, p, &rf);
}
@@ -4840,7 +4840,7 @@ change:
enqueue_task(rq, p, queue_flags);
}
if (running)
set_curr_task(rq, p);
set_next_task(rq, p);
check_class_changed(rq, p, prev_class, oldprio);
@@ -6042,7 +6042,7 @@ void sched_setnuma(struct task_struct *p, int nid)
if (queued)
enqueue_task(rq, p, ENQUEUE_RESTORE | ENQUEUE_NOCLOCK);
if (running)
set_curr_task(rq, p);
set_next_task(rq, p);
task_rq_unlock(rq, p, &rf);
}
#endif /* CONFIG_NUMA_BALANCING */
@@ -6919,7 +6919,7 @@ void sched_move_task(struct task_struct *tsk)
if (queued)
enqueue_task(rq, tsk, queue_flags);
if (running)
set_curr_task(rq, tsk);
set_next_task(rq, tsk);
task_rq_unlock(rq, tsk, &rf);
}