linux-kernel - Re: LSM conversion to static interface

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Message-ID: <471CE238.5040107@qumranet.com>
Date:	Mon, 22 Oct 2007 19:47:36 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	Greg KH <greg@...ah.com>
CC:	Thomas Fricaccia <thomas_fricacci@...oo.com>,
	Crispin Cowan <crispin@...spincowan.com>,
	linux-kernel@...r.kernel.org,
	LSM ML <linux-security-module@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: LSM conversion to static interface

Greg KH wrote:
> On Sun, Oct 21, 2007 at 07:24:42PM -0700, Thomas Fricaccia wrote:
>   
>> Yes, I think Crispin has succinctly summed it up:  irrevocably closing
>> the LSM prevents commercial customers from using security modules other
>> than that provided by their Linux distributor.
>>     
>
> Any "customer" using a security model other than provided by their Linux
> distributor instantly voided all support from that distro by doing that.
>
> So, since the support is gone, they can easily build their own kernels,
> with their own LSM interfaces, and get the exact same lack of support :)
>
>   

Running a vendor kernel has the advantage of reusing all the QA work 
that has gone into that kernel.  It is very different from running 
2.6.24-rc1 (or 2.6.22.x).  Hence projects like centos: you don't get any 
support, but the likelihood of actually requiring support is lower than 
running some random kernel.

[but I agree that someone who has somehow determined that they need a 
specific LSM will probably have determined that they need vendor support 
as well]

-- 
error compiling committee.c: too many arguments to function

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