As all the sched_setscheduler*() exports have been removed, introduce sched_set_deadline() on the model of sched_set_fifo() to enable modules to create SCHED_DEADLINE tasks.
Signed-off-by: Quentin Perret <[email protected]> --- include/linux/sched.h | 2 ++ kernel/sched/core.c | 17 +++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/include/linux/sched.h b/include/linux/sched.h index c0da93a26f62..63c8ae7a0dd8 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1630,6 +1630,8 @@ extern int sched_setscheduler_nocheck(struct task_struct *, int, const struct sc extern void sched_set_fifo(struct task_struct *p); extern void sched_set_fifo_low(struct task_struct *p); extern void sched_set_normal(struct task_struct *p, int nice); +extern int sched_set_deadline(struct task_struct *p, u64 runtime, u64 deadline, + u64 period, u64 flags); extern int sched_setattr(struct task_struct *, const struct sched_attr *); extern int sched_setattr_nocheck(struct task_struct *, const struct sched_attr *); extern struct task_struct *idle_task(int cpu); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 7324f3b0f8d2..dbaf3f63df22 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5136,6 +5136,23 @@ void sched_set_normal(struct task_struct *p, int nice) } EXPORT_SYMBOL_GPL(sched_set_normal); +int sched_set_deadline(struct task_struct *p, u64 runtime, u64 deadline, + u64 period, u64 flags) +{ + struct sched_attr attr = { + .size = sizeof(struct sched_attr), + .sched_policy = SCHED_DEADLINE, + .sched_flags = flags, + .sched_nice = 0, + .sched_priority = 0, + .sched_runtime = runtime, + .sched_deadline = deadline, + .sched_period = period, + }; + return sched_setattr_nocheck(p, &attr); +} +EXPORT_SYMBOL_GPL(sched_set_deadline); + static int do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param) { -- 2.26.2.526.g744177e7f7-goog
