1 files changed, 11 insertions, 5 deletions

diff --git a/include/litmus/locking.h b/include/litmus/locking.h
index b1024e397f67..fc437811d2b6 100644
--- a/include/litmus/locking.h
+++ b/include/litmus/locking.h
@@ -11,7 +11,6 @@ struct nested_info
         struct litmus_lock *lock;
         struct task_struct *hp_waiter_eff_prio;
         struct task_struct **hp_waiter_ptr;
-//      struct task_struct **owner_ptr;
     struct binheap_node hp_binheap_node;
 };
 
@@ -134,24 +133,31 @@ struct litmus_lock_ops {
         /* The lock is no longer being referenced (mandatory method). */
         lock_free_t deallocate;
 
-        
+
 #ifdef CONFIG_LITMUS_NESTED_LOCKING
         void (*propagate_increase_inheritance)(struct litmus_lock* l, struct task_struct* t, raw_spinlock_t* to_unlock, unsigned long irqflags);
         void (*propagate_decrease_inheritance)(struct litmus_lock* l, struct task_struct* t, raw_spinlock_t* to_unlock, unsigned long irqflags);
 #endif
-
-        
 #ifdef CONFIG_LITMUS_DGL_SUPPORT
         raw_spinlock_t* (*get_dgl_spin_lock)(struct litmus_lock *l);
         int (*dgl_lock)(struct litmus_lock *l, dgl_wait_state_t* dgl_wait, wait_queue_t* wq_node);
         int (*is_owner)(struct litmus_lock *l, struct task_struct *t);
         struct task_struct* (*get_owner)(struct litmus_lock *l);
         void (*enable_priority)(struct litmus_lock *l, dgl_wait_state_t* dgl_wait);
-        
+
         int (*dgl_can_quick_lock)(struct litmus_lock *l, struct task_struct *t);
         void (*dgl_quick_lock)(struct litmus_lock *l, struct litmus_lock *cur_lock,
                   struct task_struct* t, wait_queue_t *q);
 #endif
+
+        /* all flags at the end */
+#ifdef CONFIG_LITMUS_NESTED_LOCKING
+        int supports_nesting:1;
+#endif
+#ifdef CONFIG_LITMUS_DGL_SUPPORT
+        int supports_dgl:1;
+        int requires_atomic_dgl:1;
+#endif
 };