fixup: PCP called with preemptions off

1 files changed, 1 insertions, 4 deletions

diff --git a/litmus/sched_pfp.c b/litmus/sched_pfp.c
index 6ea03d6aeea7..7f9a49d9d373 100644
--- a/litmus/sched_pfp.c
+++ b/litmus/sched_pfp.c
@@ -997,6 +997,7 @@ static void pcp_priority_inheritance(void)
         raw_spin_unlock_irqrestore(&pfp->slock, flags);
 }
 
+/* called with preemptions off */
 static void pcp_raise_ceiling(struct pcp_semaphore* sem,
                               int effective_prio)
 {
@@ -1005,8 +1006,6 @@ static void pcp_raise_ceiling(struct pcp_semaphore* sem,
         prio_wait_queue_t wait;
         unsigned int waiting_higher_prio;
 
-        preempt_disable();
-
         do {
                 ceiling = pcp_get_ceiling();
                 if (pcp_exceeds_ceiling(ceiling, t, effective_prio))
@@ -1044,8 +1043,6 @@ static void pcp_raise_ceiling(struct pcp_semaphore* sem,
         sem->owner = t;
 
         pcp_add_ceiling(sem);
-
-        preempt_enable();
 }
 
 static void pcp_resume_unblocked(void)