diff options
| author | Dave Airlie <airlied@starflyer.(none)> | 2006-01-03 18:18:01 +1100 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-01-03 18:18:01 +1100 |
| commit | 97f2aab6698f3ab2552c41c1024a65ffd0763a6d (patch) | |
| tree | bb6e3b2949459f54f884c710fc74d40eef00d834 /ipc | |
| parent | d985c1088146607532093d9eaaaf99758f6a4d21 (diff) | |
| parent | 88026842b0a760145aa71d69e74fbc9ec118ca44 (diff) | |
drm: merge in Linus mainline
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/sem.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ipc/sem.c b/ipc/sem.c index 19af028a3e38..cb5bb2a5df96 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -381,6 +381,7 @@ static void update_queue (struct sem_array * sma) /* hands-off: q will disappear immediately after * writing q->status. */ + smp_wmb(); q->status = error; q = n; } else { @@ -461,6 +462,7 @@ static void freeary (struct sem_array *sma, int id) n = q->next; q->status = IN_WAKEUP; wake_up_process(q->sleeper); /* doesn't sleep */ + smp_wmb(); q->status = -EIDRM; /* hands-off q */ q = n; } |