Subject: Re: 3c59x

From: "David S. Miller" <[email-masked]>
Date: Tue, 10 Jun 2003 10:31:11 -0700 (PDT)

From: chas williams <[email-masked]>
   Date: Tue, 10 Jun 2003 13:29:54 -0400

   In message <[email-masked]>,Jeff Garzik writes:
   >Making every IO a conditional branch?  Ug.
   
   you could just test once during driver init and setup an indirection
   to the appropriate function.  its a little better than test and branch.
   
Function calls are actually more expensive, you eat an entry in
the cpu's return address cache.