Expensive MII code (was Re: "Expensive timeout(9) function...")

[David Gilbert]

Mike> The _tick routines are not easy to fix, FWIW.  MII access
Mike> functions are quite time consuming almost any way you look at
Mike> it.

Mike> Well, actually, I figured out a way to make them much faster,
Mike> but it's been a few months since I looked at that patch, I guess
Mike> I should pull it back up and post it somewhere...

Expensive, certainly.  The em driver locks up the whole machine for
several seconds when ifconfig'ing cards.

Dave.

-- 
============================================================================
|David Gilbert, Velocet Communications.       | Two things can only be     |
|Mail:       dgilbert at velocet.net             |  equal if and only if they |
|http://daveg.ca                              |   are precisely opposite.  |
=========================================================GLO================