netdev - Re: RFC: New BGF 'LOOP' instruction

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Message-Id: <20100802.221341.137851732.davem@davemloft.net>
Date:	Mon, 02 Aug 2010 22:13:41 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	leonerd@...nerd.org.uk
Cc:	netdev@...r.kernel.org
Subject: Re: RFC: New BGF 'LOOP' instruction

From: Paul LeoNerd Evans <leonerd@...nerd.org.uk>
Date: Mon, 2 Aug 2010 12:03:34 +0100

> Any comments on this, while I proceed? Barring any major complaints,
> I'll have a hack at some code and present a patch in due course...

We're not adding loop instructions, it's just asking for trouble
since any user can attach BPF filters to a socket and it's just
way too easy to make a loop endless.

There's a reason no loop primitives were added to the original
BPF specification, perhaps you should take a look at what their
reasoning was.

It still applies now.
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