From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next v2 8/9] net: filter: rework/optimize internal
 BPF interpreter's instruction set
Date: Tue, 25 Mar 2014 20:46:28 -0400 (EDT)
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From: "H. Peter Anvin" <hpa@linux.intel.com>
Date: Tue, 25 Mar 2014 17:24:27 -0700

> If you allow loops, it greatly increases the expressibility of the
> language, but we would really need another control to limit CPU usage.

We don't want super expressibility.

We want an extremely simple, trivial to validate, filtering language.