linux-kernel - Re: [PATCH 5/7] seccomp_filter: Document what seccomp

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Message-ID: <20110428174334.GB25940@hallyn.com>
Date:	Thu, 28 Apr 2011 12:43:34 -0500
From:	"Serge E. Hallyn" <serge@...lyn.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Will Drewry <wad@...omium.org>, linux-kernel@...r.kernel.org,
	kees.cook@...onical.com, eparis@...hat.com, agl@...omium.org,
	jmorris@...ei.org, rostedt@...dmis.org,
	Randy Dunlap <rdunlap@...otime.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tom Zanussi <tzanussi@...il.com>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 5/7] seccomp_filter: Document what seccomp_filter is and
 how it works.

Quoting Ingo Molnar (mingo@...e.hu):
> I've Cc:-ed Linus and Andrew: are you guys opposed to such flexible, dynamic 
> filters conceptually? I think we should really think hard about the actual ABI 
> as this could easily spread to more applications than Chrome/Chromium.

We want to use it for containers, to try and provide some bit of
mitigation for the fact that they are sharing a kernel with the host.

thanks,
-serge
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