Problem with 745x errata in 2.6.8

Benjamin Herrenschmidt benh at
Sun Sep 19 20:23:23 EST 2004

On Sun, 2004-09-19 at 20:16, Ken Moffat wrote:

>  Actually, I think it's kept in a locked cupboard in a room labelled
> "beware of the leopard", in a basement at the bottom of some broken
> stairs.  FWIW, the option biting me is CPU_FTR_NEED_COHERENT - no real
> surprises there.
>  I'll have another go at trying to talk to them.  Thanks for your
> responses.

Yes, we have to set the "M" (coherent) bit on all memory pages even
when not running SMP on those CPUs to work around a CPU bug.


More information about the Linuxppc-dev mailing list