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authorPeter Zijlstra <peterz@infradead.org>2016-09-20 22:00:38 +0200
committerIngo Molnar <mingo@kernel.org>2016-09-30 11:03:28 +0200
commitb2bf6c314e3a9e227925240d92ecd6e9b0110170 (patch)
tree4f412f1a68fb373542aea0fc62ba7de4577ad8b2 /kernel
parenta458ae2ea616420f74480f0f5ed67ca0f3b5dbf7 (diff)
sched/fair: Introduce set_curr_task() helper
Now that the ia64 only set_curr_task() symbol is gone, provide a helper just like put_prev_task(). Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched/core.c10
-rw-r--r--kernel/sched/sched.h5
2 files changed, 10 insertions, 5 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 6ec0cfe56ddd..ce69fc7eaf19 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1112,7 +1112,7 @@ void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
if (queued)
enqueue_task(rq, p, ENQUEUE_RESTORE);
if (running)
- p->sched_class->set_curr_task(rq);
+ set_curr_task(rq, p);
}
/*
@@ -3710,7 +3710,7 @@ void rt_mutex_setprio(struct task_struct *p, int prio)
if (queued)
enqueue_task(rq, p, queue_flag);
if (running)
- p->sched_class->set_curr_task(rq);
+ set_curr_task(rq, p);
check_class_changed(rq, p, prev_class, oldprio);
out_unlock:
@@ -4274,7 +4274,7 @@ change:
enqueue_task(rq, p, queue_flags);
}
if (running)
- p->sched_class->set_curr_task(rq);
+ set_curr_task(rq, p);
check_class_changed(rq, p, prev_class, oldprio);
preempt_disable(); /* avoid rq from going away on us */
@@ -5442,7 +5442,7 @@ void sched_setnuma(struct task_struct *p, int nid)
if (queued)
enqueue_task(rq, p, ENQUEUE_RESTORE);
if (running)
- p->sched_class->set_curr_task(rq);
+ set_curr_task(rq, p);
task_rq_unlock(rq, p, &rf);
}
#endif /* CONFIG_NUMA_BALANCING */
@@ -7952,7 +7952,7 @@ void sched_move_task(struct task_struct *tsk)
if (queued)
enqueue_task(rq, tsk, ENQUEUE_RESTORE | ENQUEUE_MOVE);
if (unlikely(running))
- tsk->sched_class->set_curr_task(rq);
+ set_curr_task(rq, tsk);
task_rq_unlock(rq, tsk, &rf);
}
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 01b5189235f2..fc6ae04ec080 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1274,6 +1274,11 @@ static inline void put_prev_task(struct rq *rq, struct task_struct *prev)
prev->sched_class->put_prev_task(rq, prev);
}
+static inline void set_curr_task(struct rq *rq, struct task_struct *curr)
+{
+ curr->sched_class->set_curr_task(rq);
+}
+
#define sched_class_highest (&stop_sched_class)
#define for_each_class(class) \
for (class = sched_class_highest; class; class = class->next)