On Thu, Aug 8, 2013 at 6:41 AM, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote: > The new arch_phys_wc_add/del functions do the right thing both with > and without MTRR support in the kernel. So we can drop these > additional checks. If any of the new arch_phys_wc_add calls are reachable and if the driver calls arch_phys_wc_add itself, then the lack of refcounting on non-PAT systems may cause a problem. (I don't understand the drm stuff well enough to know whether that can actually happen.) --Andy _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
