Subject: Re: 3c59x

From: Jeff Garzik <[email-masked]>
Date: Tue, 10 Jun 2003 13:25:56 -0400

On Tue, Jun 10, 2003 at 10:14:52AM -0700, David S. Miller wrote:
>    From: Jeff Garzik <[email-masked]>
>    Date: Tue, 10 Jun 2003 13:16:17 -0400
> 
>    On Tue, Jun 10, 2003 at 10:02:09AM -0700, David S. Miller wrote:
>    > This means end users don't see the benefit, so I definitely
>    > prefer Andi's idea.
>    
>    Making every IO a conditional branch?  Ug.
>    
> A PIO costs hundreds if not thousands of instructions!
> Come on Jeff, get real :-)

MMIO isn't as bad as PIO, and the 'runtime choice' setup implies
slowing down the MMIO path, too.

	Jeff