diff options
| author | Bruno Prémont <bonbons@linux-vserver.org> | 2014-12-21 17:43:31 +0100 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-12-22 08:37:38 +1000 |
| commit | ff4c0d5213b015e60aa87c1352604f10ba9c3e12 (patch) | |
| tree | 09f16efc6c1657ef2096e7d67364a15aa8f1d4b7 /drivers/gpu | |
| parent | 4761703bd04bbdf56396d264903cc5a1fdcb3c01 (diff) | |
drm/nouveau/nouveau: Do not BUG_ON(!spin_is_locked()) on UP
On !SMP systems spinlocks do not exist. Thus checking of they
are active will always fail.
Use
assert_spin_locked(lock);
instead of
BUG_ON(!spin_is_locked(lock));
to not BUG() on all UP systems.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/core/event.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/core/notify.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/core/core/event.c b/drivers/gpu/drm/nouveau/core/core/event.c index ff2b434b3db..760947e380c 100644 --- a/drivers/gpu/drm/nouveau/core/core/event.c +++ b/drivers/gpu/drm/nouveau/core/core/event.c @@ -26,7 +26,7 @@ void nvkm_event_put(struct nvkm_event *event, u32 types, int index) { - BUG_ON(!spin_is_locked(&event->refs_lock)); + assert_spin_locked(&event->refs_lock); while (types) { int type = __ffs(types); types &= ~(1 << type); if (--event->refs[index * event->types_nr + type] == 0) { @@ -39,7 +39,7 @@ nvkm_event_put(struct nvkm_event *event, u32 types, int index) void nvkm_event_get(struct nvkm_event *event, u32 types, int index) { - BUG_ON(!spin_is_locked(&event->refs_lock)); + assert_spin_locked(&event->refs_lock); while (types) { int type = __ffs(types); types &= ~(1 << type); if (++event->refs[index * event->types_nr + type] == 1) { diff --git a/drivers/gpu/drm/nouveau/core/core/notify.c b/drivers/gpu/drm/nouveau/core/core/notify.c index d1bcde55e9d..839a3257768 100644 --- a/drivers/gpu/drm/nouveau/core/core/notify.c +++ b/drivers/gpu/drm/nouveau/core/core/notify.c @@ -98,7 +98,7 @@ nvkm_notify_send(struct nvkm_notify *notify, void *data, u32 size) struct nvkm_event *event = notify->event; unsigned long flags; - BUG_ON(!spin_is_locked(&event->list_lock)); + assert_spin_locked(&event->list_lock); BUG_ON(size != notify->size); spin_lock_irqsave(&event->refs_lock, flags); |