diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index cc1f81b50b82..98890807375b 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -8909,6 +8909,9 @@ static int sched_rt_global_constraints(void) u64 rt_runtime, rt_period; int ret = 0; + if (sysctl_sched_rt_period <= 0) + return -EINVAL; + rt_period = ktime_to_ns(tg->rt_bandwidth.rt_period); rt_runtime = tg->rt_bandwidth.rt_runtime; @@ -8925,6 +8928,9 @@ static int sched_rt_global_constraints(void) unsigned long flags; int i; + if (sysctl_sched_rt_period <= 0) + return -EINVAL; + spin_lock_irqsave(&def_rt_bandwidth.rt_runtime_lock, flags); for_each_possible_cpu(i) { struct rt_rq *rt_rq = &cpu_rq(i)->rt; |