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authorRalf Baechle <ralf@linux-mips.org>2014-03-31 20:17:33 +0400
committerRalf Baechle <ralf@linux-mips.org>2014-03-31 20:17:33 +0400
commitade63aada79c61bcd5f51cbd310f237399892268 (patch)
tree4f8605528bfd9b6261679883974b9ac4870223dd /kernel/sched/core.c
parent9a1724c7506bfa7d3d9dcab13f83e9e6446929f9 (diff)
parentc14af233fbe279d0e561ecf84f1208b1bae087ef (diff)
downloadlinux-ade63aada79c61bcd5f51cbd310f237399892268.tar.xz
Merge branch '3.14-fixes' into mips-for-linux-next
Diffstat (limited to 'kernel/sched/core.c')
-rw-r--r--kernel/sched/core.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 6edbef296ece..f5c6635b806c 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.