On Tue, Feb 03, 2015 at 08:13:56PM +0100, Michał Winiarski wrote: > It was possible for invalidate range start mmu notifier callback to race > with releasing userptr object. If the object is released prior to > taking a spinlock in the callback, we'll encounter a null pointer > dereference. > > v2: Moved expressions inside igt_assert(), added mem barrier (Chris) > > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> Lgtm, Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx