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To: Pavel Machek <pavel@suse.cz>
Cc: linux-kernel@vger.kernel.org, user-mode-linux-user@lists.sourceforge.net
Subject: Re: user-mode port 0.56-2.4.18-15 
In-Reply-To: Your message of "Mon, 08 Apr 2002 01:25:37 GMT."
             <20020408012536.A329@toy.ucw.cz> 
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Date: Tue, 09 Apr 2002 18:16:33 -0500
From: Jeff Dike <jdike@karaya.com>
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pavel@suse.cz said:
> Why don't you just feed your /dev/random from hosts /dev/random? 

That would open up DOS attacks on the host.  A nasty person inside a UML
could drain the host's /dev/random and hang anything on the host that needs
random numbers.

> Wow.. Why such strange value? 

HZ > 50 is needed to make ps and friends shut up.
HZ % 4 == 0 is needed to make some QOS thing compile.

				Jeff
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