netdev - [RFD][PATCH] Add JMEMCMP to Berkeley Packet Filters

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Message-Id: <1297340087-10963-1-git-send-email-ian.molton@collabora.co.uk>
Date:	Thu, 10 Feb 2011 12:14:46 +0000
From:	Ian Molton <ian.molton@...labora.co.uk>
To:	netdev@...r.kernel.org
Cc:	rdunlap@...otime.net, isdn@...ux-pingi.de, paulus@...ba.org,
	arnd@...db.de, davem@...emloft.net, herbert@...dor.apana.org.au,
	ebiederm@...ssion.com
Subject: [RFD][PATCH] Add JMEMCMP to Berkeley Packet Filters

Hi folks,

This patch implements an extension for BPF to allow filter programs to use a
data section, along with a MEMCMP instruction.

There are a few issues noted in the patch itself, which can easily be
addressed, and I would like to check wether sk_run_filter is ever expected to
be called from a context that cannot sleep (I dont think it is).

I think the patch should probably be split into a patch to add data sections
and one adding the JMEMCMP instruction, but that can be done after some review! 

-Ian
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