On Fri, Jan 08, 2016 at 11:29:46AM +0000, Tvrtko Ursulin wrote: > From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > > Purpose is to catch places which iterate the object VMA list > without holding the big lock. > > Implemented by open coding list_for_each_entry to make the > macro compatible with existing call sites. > > Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> > +#define i915_gem_obj_for_each_vma(vma, obj) \ > + for (WARN_ON_ONCE(!mutex_is_locked(&(obj)->base.dev->struct_mutex)), \ Let's not go around adding WARN(!mutex_locked) to GEM code when lockdep_assert_held doesn't add overhead outside of testing. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx