LITMUS: Use atomic ops to clear bit.

This is modeled after tasklets. Just writing a 0 does not have
the desired effect on SPARC64.

1 files changed, 2 insertions, 2 deletions

diff --git a/litmus/norqlock.c b/litmus/norqlock.c
index d0cbe1388e..11f85d352a 100644
--- a/litmus/norqlock.c
+++ b/litmus/norqlock.c
@@ -47,8 +47,8 @@ void tick_no_rqlock(void)
                 todo = next;
                 next = next->next;
                 todo->next = NULL;
-                mb();
-                todo->active = 0;
+                smp_mb__before_clear_bit();
+                clear_bit(0, (void*) &todo->active);
                 todo->work(todo->arg);
         }