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Date:	Tue, 25 Mar 2014 20:46:28 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	hpa@...ux.intel.com
Cc:	dborkman@...hat.com, ast@...mgrid.com, netdev@...r.kernel.org,
	hagen@...u.net, keescook@...omium.org, pmoore@...hat.com,
	mingo@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2 8/9] net: filter: rework/optimize internal
 BPF interpreter's instruction set

From: "H. Peter Anvin" <hpa@...ux.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.
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