netdev - Re: [PATCH v2 net-next] net: filter: export pkt_type

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Message-ID: <1409841347.26422.118.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Thu, 04 Sep 2014 07:35:47 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	David Laight <David.Laight@...LAB.COM>,
	Denis Kirjanov <kirjanov@...il.com>,
	Alexei Starovoitov <alexei.starovoitov@...il.com>,
	Daniel Borkmann <dborkman@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Denis Kirjanov <kda@...ux-powerpc.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Markos Chandras <markos.chandras@...tec.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: Re: [PATCH v2 net-next] net: filter: export pkt_type_offset() helper

On Thu, 2014-09-04 at 16:33 +0200, Hannes Frederic Sowa wrote:

> Which btw. also uses int, which might change alignment of structures.

You missed the point .

kmemcheck wants to make sure the whole word is set, or else you could
get false positives.

kmemcheck needs are quite different.





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