On 11/28/2012 12:25 PM, Maarten Lankhorst wrote: > Replace the while loop with a simple for each loop, and only run the > delayed destroy cleanup if we can reserve the buffer first. > > No race occurs, since lru lock is never dropped any more. An empty list > and a list full of unreservable buffers both cause -EBUSY to be returned, > which is identical to the previous situation. > > Signed-off-by: Maarten Lankhorst <maarten.lankhorst at canonical.com> > --- > drivers/gpu/drm/ttm/ttm_bo.c | 44 > ++++++++++++++------------------------------ > 1 file changed, 14 insertions(+), 30 deletions(-) > For patch 4-6
Reviewed-by: Thomas Hellstrom <thellstrom at vmware.com>
