From: Hagen Paul Pfeifer <hagen@jauu.net>
To: David Miller <davem@davemloft.net>
Cc: <leonerd@leonerd.org.uk>, <netdev@vger.kernel.org>
Subject: Re: RFC: New BGF 'LOOP' instruction
Date: Tue, 03 Aug 2010 11:03:21 +0200 [thread overview]
Message-ID: <287257a8aadbeea2a7bb5e57b855dd2d@localhost> (raw)
In-Reply-To: <20100802.221813.43045517.davem@davemloft.net>
On Mon, 02 Aug 2010 22:18:13 -0700 (PDT), David Miller wrote:
> Oh yeah, what is an iteration in your definition? See this is why I
> totally refuse to add a looping construct to BPF.
>
> If you just check for a single loop hitting, the user will just use
> a chaining of two looping constructs. And then three levels of
> indirection, then four, etc. He can run up to just before exhasting
> the "iteration limit" of one loop, and branch to the next one, and
> so on and so forth.
I am aware of any problems caused by complex instructions. David, I was
rather curious to see an unrecognized and ground breaking instructions, I
don't wanted to scotch any (possible) improvement.
HGN
next prev parent reply other threads:[~2010-08-03 9:03 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-02 11:03 RFC: New BGF 'LOOP' instruction Paul LeoNerd Evans
2010-08-02 11:13 ` RFC: New BPF " Paul LeoNerd Evans
2010-08-02 20:16 ` RFC: New BGF " Hagen Paul Pfeifer
2010-08-03 5:18 ` David Miller
2010-08-03 7:07 ` Paul LeoNerd Evans
2010-08-03 7:19 ` David Miller
2010-08-03 9:10 ` Hagen Paul Pfeifer
2010-08-03 13:40 ` Paul LeoNerd Evans
2010-08-03 9:03 ` Hagen Paul Pfeifer [this message]
2010-08-03 7:18 ` RFC: New BPF " Paul LeoNerd Evans
2010-08-03 5:13 ` RFC: New BGF " David Miller
2010-08-03 7:04 ` Paul LeoNerd Evans
2010-08-03 7:18 ` David Miller
2010-08-03 12:58 ` Andi Kleen
2010-08-03 13:07 ` David Miller
2010-08-03 13:34 ` RFC: New BPF " Paul LeoNerd Evans
2010-08-03 13:42 ` Paul LeoNerd Evans
2010-08-03 14:09 ` Rémi Denis-Courmont
2010-08-03 14:13 ` Paul LeoNerd Evans
2010-08-03 14:16 ` Rémi Denis-Courmont
2010-08-03 14:19 ` Paul LeoNerd Evans
2010-08-03 15:17 ` Rémi Denis-Courmont
2010-08-03 15:27 ` Paul LeoNerd Evans
2010-08-03 14:05 ` RFC: New BGF " Andi Kleen
2010-08-03 14:11 ` Paul LeoNerd Evans
2010-08-03 14:34 ` Paul LeoNerd Evans
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