Subject: Re: CVS commit: src/sys/arch/sparc/sparc
To: Jason Thorpe <>
From: Brett Lymn <>
List: port-sparc
Date: 04/16/2004 11:31:11
On Thu, Apr 15, 2004 at 01:56:23PM -0700, Jason Thorpe wrote:
> But if you mix CPUs of different classes (e.g. SuperSPARC and 
> HyperSPARC), you then have to deal with cache flushing and what not 
> different for each CPU, which is a problem so difficult and 
> complicated, it's not worth solving.

cache flushing would probably be the least of your worries given that
the HyperSPARC processors do some serious snooping of each other's
caches so there would be some serious cache coherency problems.  That
totally leaves aside the variations in write posting behaviour :)

Brett Lymn