Subject: Re: CPM2 early console

From: Kalle Pokki <[email-masked]>
Date: Thu, 29 Sep 2005 14:24:07 +0200

Kalle Pokki wrote:

> I guess Linux remaps the RAM as copy-back. But snooping should work 
> with copy-back caches, shouldn't it?

Oh, well. The kernel boots just fine if I add

flags |= _PAGE_WRITETHRU | _PAGE_COHERENT;

in setbat() in arch/ppc/mm/ppc_mmu.c. But this should not depend on this 
kind of a hack, should it?