Re: c-r4k.c cleanup

[Jun Sun <jsun@junsun.net>]

On Fri, Feb 04, 2005 at 04:45:32PM +0100, Ralf Baechle wrote:
> On Fri, Feb 04, 2005 at 03:19:49PM +0000, Dominic Sweetman wrote:
> 
> > Only some CPUs suffer from aliases.  A 4Kbyte direct-mapped cache must
> > be alias free, because all the virtual index bits are the same (being
> > in-page) as the physical address bits.  That's true but irrelvant,
> > since there aren't any 4Kbyte caches: but what's slightly less obvious
> > is that a 16Kbyte 4-way set-associative cache is also alias free.
> 
> I had dark memory of some el cheapo CPU having 4k caches.
> 

IDT (rc32332) has a 2K d-cache. :)

Jun