Subject: Re: Crusoe LongRun Support
To: Wojciech Puchar <wojtek@wojtek.3miasto.net>
From: Noriyuki Soda <soda@sra.co.jp>
List: tech-kern
Date: 08/21/2001 22:04:48
>>>>> On Tue, 21 Aug 2001 14:47:07 +0200 (CEST),
	Wojciech Puchar <wojtek@wojtek.3miasto.net> said:

> IMHO simple user level tool can do it.

> something like
	:
>   lower_cpu_clock();

Only specific user (i.e. probably root and console user) should have
the privilege to change cpu's clock rate. Otherwise anyone who has an
account on the machine can DoS attack. :-)

This is one of good applications of ttyaction(5), so, device file
interface is better than sysctl interface.
--
soda