Re: user-mode port 0.56-2.4.18-15

Jeff Dike (jdike@karaya.com)
Tue, 09 Apr 2002 18:16:33 -0500


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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/