linux-kernel - Re: [PATCH try #2] security: Convert LSM into a static interface

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Message-ID: <20070628024822.GA11276@sergelap.austin.ibm.com>
Date:	Wed, 27 Jun 2007 21:48:22 -0500
From:	"Serge E. Hallyn" <serue@...ibm.com>
To:	James Morris <jmorris@...ei.org>
Cc:	"Serge E. Hallyn" <serue@...ibm.com>,
	Kyle Moffett <mrmacman_g4@....com>,
	Andreas Gruenbacher <agruen@...e.de>,
	Chris Wright <chrisw@...s-sol.org>,
	linux-security-module@...r.kernel.org,
	Andrew Morgan <agm@...gle.com>,
	Andrew Morton <akpm@...gle.com>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	lkml <linux-kernel@...r.kernel.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Greg KH <greg@...ah.com>, Eric Paris <eparis@...hat.com>
Subject: Re: [PATCH try #2] security: Convert LSM into a static interface

Quoting James Morris (jmorris@...ei.org):
> On Wed, 27 Jun 2007, Serge E. Hallyn wrote:
> 
> > Patch tests fine for me for expected capability behavior with lsm=n,
> > lsm=y, lsm=y+capability=y, lsm=y+selinux=y, and lsm=y+caps=y+selinux=y.
> > 
> > So while I'm opposed to the patch, it appears to be safe.
> 
> I've also tested a bunch of scenarios: allmodconfig, lsm=y,cap=n, 
> selinux=y,cap=n  etc.

I was wondering about the uninlining of all those functions, so did a
set of performance runs.  Found no statistically relevant change in
dbench, tbench, or reaim.  (tried to run kernbench too but the benchmark
failed somewhere and i didn't care enough to look into it)

-serge
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