diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2020-04-22 13:10:04 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-06-15 14:10:26 +0200 |
| commit | 8b700983de82f79e05b2c1136d6513ea4c9b22c4 (patch) | |
| tree | 6ae6fadb83d60b6f7d460598e317b00c74f11f6e /kernel/sched | |
| parent | sched: Remove sched_setscheduler*() EXPORTs (diff) | |
| download | wireguard-linux-8b700983de82f79e05b2c1136d6513ea4c9b22c4.tar.xz wireguard-linux-8b700983de82f79e05b2c1136d6513ea4c9b22c4.zip | |
sched: Remove sched_set_*() return value
Ingo suggested that since the new sched_set_*() functions are
implemented using the 'nocheck' variants, they really shouldn't ever
fail, so remove the return value.
Cc: axboe@kernel.dk
Cc: daniel.lezcano@linaro.org
Cc: sudeep.holla@arm.com
Cc: airlied@redhat.com
Cc: broonie@kernel.org
Cc: paulmck@kernel.org
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index f882d3d74dad..41d3778ea80e 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5183,30 +5183,30 @@ int sched_setscheduler_nocheck(struct task_struct *p, int policy, * The administrator _MUST_ configure the system, the kernel simply doesn't * know enough information to make a sensible choice. */ -int sched_set_fifo(struct task_struct *p) +void sched_set_fifo(struct task_struct *p) { struct sched_param sp = { .sched_priority = MAX_RT_PRIO / 2 }; - return sched_setscheduler_nocheck(p, SCHED_FIFO, &sp); + WARN_ON_ONCE(sched_setscheduler_nocheck(p, SCHED_FIFO, &sp) != 0); } EXPORT_SYMBOL_GPL(sched_set_fifo); /* * For when you don't much care about FIFO, but want to be above SCHED_NORMAL. */ -int sched_set_fifo_low(struct task_struct *p) +void sched_set_fifo_low(struct task_struct *p) { struct sched_param sp = { .sched_priority = 1 }; - return sched_setscheduler_nocheck(p, SCHED_FIFO, &sp); + WARN_ON_ONCE(sched_setscheduler_nocheck(p, SCHED_FIFO, &sp) != 0); } EXPORT_SYMBOL_GPL(sched_set_fifo_low); -int sched_set_normal(struct task_struct *p, int nice) +void sched_set_normal(struct task_struct *p, int nice) { struct sched_attr attr = { .sched_policy = SCHED_NORMAL, .sched_nice = nice, }; - return sched_setattr_nocheck(p, &attr); + WARN_ON_ONCE(sched_setattr_nocheck(p, &attr) != 0); } EXPORT_SYMBOL_GPL(sched_set_normal); |