Re: [Linux-ia64] Re: [PATCH] head.S fix for unusual load addrs

[Jesse Barnes <jbarnes@sgi.com>]

On Fri, May 09, 2003 at 11:25:29AM -0700, David Mosberger wrote:
> I'm not sure.  I got the impression Tony may be looking at the virtual
> remapping in region 5.  I haven't heard whether text replication
> turned out to be important for 8870, but I'm starting to lean towards
> virtual remapping because it is more versatile (can handle both
> "strange" physical memory layouts and kernel replication).  This,
> coupled with the fact that it doesn't break any of the existing tools
> makes it pretty compelling.  Also, my primary objection about making
> the kernel model more complicated doesn't hold much water if we move
> everything to region 5.
> 
> Would there be a downside to this on SGI's machines?

Not that I can see--we've been using that method for awhile now with
good success, and I'd be happy to test any 2.5 patches that implement
this feature.  So I guess we should go with virtual remapping?  Tony?

Thanks,
Jesse