diff options
Diffstat (limited to 'kernel/sched/syscalls.c')
| -rw-r--r-- | kernel/sched/syscalls.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/sched/syscalls.c b/kernel/sched/syscalls.c index c62acf509b74..cb03c790c27a 100644 --- a/kernel/sched/syscalls.c +++ b/kernel/sched/syscalls.c @@ -315,6 +315,14 @@ static void __setscheduler_params(struct task_struct *p, } } + /* rt-policy tasks do not have a timerslack */ + if (rt_or_dl_task_policy(p)) { + p->timer_slack_ns = 0; + } else if (p->timer_slack_ns == 0) { + /* when switching back to non-rt policy, restore timerslack */ + p->timer_slack_ns = p->default_timer_slack_ns; + } + /* * __sched_setscheduler() ensures attr->sched_priority == 0 when * !rt_policy. Always setting this ensures that things like |