From: Andreas Beck <becka@rz.uni-duesseldorf.de>
  To  : ggi-develop@eskimo.com
  Date: Sat, 21 Aug 1999 12:51:07 +0200

Re: KGIcon multiheading

> hardware acceleration here I come. Well I have been looking for possible
> solutions to the accel and framebuffer access problem. I have notice a
> nice like function which has not been implemented yet for vm_ops.
> 
> unsigned long (*wppage)(struct vm_area_struct * area, unsigned long
> address, unsigned long page);

That doesn't help. Overhead is pretty much the same, as if for marking the
pages readonly instead of swppaed out IIRC. The main "don't" is, though,
that it doesn't catch read access. And for the cards that can really screw
up, a read access would suffice.

CU, ANdy

-- 
= Andreas Beck                    |  Email :  <andreas.beck@ggi-project.org> =