On Wed, May 15, 2013 at 2:22 PM, Andy Lutomirski <[email protected]> wrote: > On Wed, May 15, 2013 at 7:49 AM, Jerome Glisse <[email protected]> wrote: >> On Tue, May 14, 2013 at 5:35 PM, Andy Lutomirski <[email protected]> wrote: >>> On Tue, May 14, 2013 at 6:37 AM, Jerome Glisse <[email protected]> wrote: >>>> On Tue, May 14, 2013 at 8:58 AM, Alex Deucher <[email protected]> >>>> wrote: >>>>> On Mon, May 13, 2013 at 7:58 PM, Andy Lutomirski <[email protected]> >>>>> wrote: >>>>>> Reviewed-by: Daniel Vetter <[email protected]> >>>>>> Signed-off-by: Andy Lutomirski <[email protected]> >>>>> >>>>> Reviewed-by: Alex Deucher <[email protected]> >>>> >>>> I believe it will break something but we could deal with the fallout >>>> once it happens. >>> >>> FWIW, I'm running with this code on my machine right now using the >>> radeon driver. Everything seems fine. If I build without MTRRs and >>> without PAT, though, graphics are slow (as expected). So I think >>> everything's okay. >>> >>> --Andy >> >> I am worried on p4 where i last see issue with that notably with agp. > > Do you remember any details? It looks like PAT is enabled on Pentium > 4 (i.e. famliy 0xF). > > --Andy
No i don't, i think it was some pat errata on those about non real ram address and with agp. Memory is fuzzy. I might have time in couple of week to plug back my p4 and see how it behave. Cheers, Jerome -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

