diff options
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 6edbef296ec..f5c6635b806 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3338,6 +3338,15 @@ recheck: return -EPERM; } + /* + * Can't set/change SCHED_DEADLINE policy at all for now + * (safest behavior); in the future we would like to allow + * unprivileged DL tasks to increase their relative deadline + * or reduce their runtime (both ways reducing utilization) + */ + if (dl_policy(policy)) + return -EPERM; + /* * Treat SCHED_IDLE as nice 20. Only allow a switch to * SCHED_NORMAL if the RLIMIT_NICE would normally permit it. |