Various changes that I don't want to lose, but the code does not work.

2 files changed, 6 insertions, 1 deletions

diff --git a/include/linux/queuelock.h b/include/linux/queuelock.h
index 6dac31c358..3fad15deab 100644
--- a/include/linux/queuelock.h
+++ b/include/linux/queuelock.h
@@ -71,7 +71,10 @@ static inline void queue_lock(queuelock_t *lock)
         /* range limit*/
         lock->spin_slot[me] %= NR_CPUS;
         /* spin until you acquire the lock */
-        while (lock->slots[lock->spin_slot[me]].val == MUST_WAIT);
+        while (lock->slots[lock->spin_slot[me]].val == MUST_WAIT)
+//              rep_nop();
+                ;
+
         /* reset the lock */
         lock->slots[lock->spin_slot[me]].val = MUST_WAIT;
         barrier();
diff --git a/include/linux/sched_plugin.h b/include/linux/sched_plugin.h
index 512abfd163..9d0434d779 100644
--- a/include/linux/sched_plugin.h
+++ b/include/linux/sched_plugin.h
@@ -67,6 +67,7 @@ typedef long (*inherit_priority_t) (struct pi_semaphore *sem,
 
 typedef long (*return_priority_t) (struct pi_semaphore *sem);
 
+typedef long (*handle_prio_change_t) (struct task_struct *t);
 
 
 /********************* sys call backends  ********************/
@@ -109,6 +110,7 @@ struct sched_plugin {
         /*     priority inheritance     */
         inherit_priority_t      inherit_priority;
         return_priority_t       return_priority;
+        handle_prio_change_t    handle_priority_change;
 } __attribute__ ((__aligned__(SMP_CACHE_BYTES)));
 
 typedef struct sched_plugin sched_plugin_t;