Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
sched_ext: Remove sched_class->switch_class()
With sched_ext converted to use put_prev_task() for class switch detection,
there's no user of switch_class() left. Drop it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
+1
-13
+1
-11
kernel/sched/core.c
+1
-11
kernel/sched/core.c
···
5965
5965
for_each_active_class(class) {
5966
5966
if (class->pick_next_task) {
5967
5967
p = class->pick_next_task(rq, prev);
5968
-
if (p) {
5969
-
const struct sched_class *prev_class = prev->sched_class;
5970
-
5971
-
if (class != prev_class && prev_class->switch_class)
5972
-
prev_class->switch_class(rq, p);
5968
+
if (p)
5973
5969
return p;
5974
-
}
5975
5970
} else {
5976
5971
p = class->pick_task(rq);
5977
5972
if (p) {
5978
-
const struct sched_class *prev_class = prev->sched_class;
5979
-
5980
5973
put_prev_set_next_task(rq, prev, p);
5981
-
5982
-
if (class != prev_class && prev_class->switch_class)
5983
-
prev_class->switch_class(rq, p);
5984
5974
return p;
5985
5975
}
5986
5976
}
-2
kernel/sched/sched.h
-2
kernel/sched/sched.h
···
2385
2385
void (*put_prev_task)(struct rq *rq, struct task_struct *p, struct task_struct *next);
2386
2386
void (*set_next_task)(struct rq *rq, struct task_struct *p, bool first);
2387
2387
2388
-
void (*switch_class)(struct rq *rq, struct task_struct *next);
2389
-
2390
2388
#ifdef CONFIG_SMP
2391
2389
int (*select_task_rq)(struct task_struct *p, int task_cpu, int flags);
2392
2390