diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/core.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 50a5352f6205..d59652d60f86 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3417,6 +3417,20 @@ static bool check_same_owner(struct task_struct *p) return match; } +static bool dl_param_changed(struct task_struct *p, + const struct sched_attr *attr) +{ + struct sched_dl_entity *dl_se = &p->dl; + + if (dl_se->dl_runtime != attr->sched_runtime || + dl_se->dl_deadline != attr->sched_deadline || + dl_se->dl_period != attr->sched_period || + dl_se->flags != attr->sched_flags) + return true; + + return false; +} + static int __sched_setscheduler(struct task_struct *p, const struct sched_attr *attr, bool user) @@ -3545,7 +3559,7 @@ recheck: goto change; if (rt_policy(policy) && attr->sched_priority != p->rt_priority) goto change; - if (dl_policy(policy)) + if (dl_policy(policy) && dl_param_changed(p, attr)) goto change; p->sched_reset_on_fork = reset_on_fork; |