On Fri, May 12, 2017 at 06:55:35PM +0100, Chris Wilson wrote: > On Fri, May 12, 2017 at 06:49:09PM +0100, Chris Wilson wrote: > > We have always excluded the top-page of the Global GTT to prevent > > prefetching past the end of the address space. We have been lax about > > applying this restriction to the per-process GTT, but there is no reason > > to believe that the hw restriction is any less severe. > > Other than empirical, but the note in bspec is still there and who knows > they may start to be strict again in future. Fwiw, it looks like we can sleep on this again. Jason no longer believes this to be an immediate issue. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
