Am 28.11.2016 um 13:20 schrieb Nicolai Hähnle:
From: Nicolai Hähnle <Nicolai.Haehnle@xxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Maarten Lankhorst <dev@xxxxxxxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Nicolai Hähnle <Nicolai.Haehnle@xxxxxxx>
---
drivers/gpu/drm/vgem/vgem_fence.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/vgem/vgem_fence.c b/drivers/gpu/drm/vgem/vgem_fence.c
index 488909a..e1d516f 100644
--- a/drivers/gpu/drm/vgem/vgem_fence.c
+++ b/drivers/gpu/drm/vgem/vgem_fence.c
@@ -191,12 +191,12 @@ int vgem_fence_attach_ioctl(struct drm_device *dev,
/* Expose the fence via the dma-buf */
ret = 0;
- mutex_lock(&resv->lock.base);
+ ww_mutex_lock(&resv->lock.base, NULL);
Accessing the base member here is probably superfluous now and will most
likely raise a warning.
Christian.
if (arg->flags & VGEM_FENCE_WRITE)
reservation_object_add_excl_fence(resv, fence);
else if ((ret = reservation_object_reserve_shared(resv)) == 0)
reservation_object_add_shared_fence(resv, fence);
- mutex_unlock(&resv->lock.base);
+ ww_mutex_unlock(&resv->lock.base);
/* Record the fence in our idr for later signaling */
if (ret == 0) {
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