On Tue, 24 Sep 2019 at 22:19, Christian König <ckoenig.leichtzumerken@xxxxxxxxx> wrote: > > Hi guys, > > while working through more old TTM functionality I stumbled over the > io_reserve_lru. > > Basic idea is that when this flag is set the driver->io_mem_reserve() > callback can return -EAGAIN resulting in unmapping of other BOs. > > But Nouveau doesn't seem to return -EAGAIN in the call path of > io_mem_reserve anywhere. I believe this is a bug in Nouveau. We *should* be returning -EAGAIN if we fail to find space in BAR1 to map the BO into. Ben. > > So is this unused or am I missing something? > > Regards, > Christian. > _______________________________________________ > Nouveau mailing list > Nouveau@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/nouveau _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel