linux-kernel - Re: [REGRESSION][PATCH V4 3/3] bpf jit: Let the powerpc jit handle negative offsets

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Message-Id: <20120430.210335.1697570355622765079.davem@davemloft.net>
Date:	Mon, 30 Apr 2012 21:03:35 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	benh@...nel.crashing.org
Cc:	kaffeemonster@...glemail.com, eric.dumazet@...il.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION][PATCH V4 3/3] bpf jit: Let the powerpc jit handle
 negative offsets

From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Date: Tue, 01 May 2012 10:26:27 +1000

> I don't see a good way to sort that out other than introducing a new
> kernel-side structure, change the sockopt number, and support the old
> one as backward binary compat, but that's gross.

First there are no padding issues, compat or otherwise.

Second, there is no reason to add a new data-structure.  Just make
them use the right one, sock_fprog, if they are making the socket
option call themselves.

I can't believe this discussion is still going on, there is nothing to
talk about.
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