linux-kernel - Re: [RFC] Unify KVM kernel-space and user-space code into a single project

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Message-ID: <20100324161711.GJ14800@8bytes.org>
Date:	Wed, 24 Mar 2010 17:17:11 +0100
From:	Joerg Roedel <joro@...tes.org>
To:	Avi Kivity <avi@...hat.com>
Cc:	"Daniel P. Berrange" <berrange@...hat.com>,
	Anthony Liguori <anthony@...emonkey.ws>,
	Ingo Molnar <mingo@...e.hu>,
	Pekka Enberg <penberg@...helsinki.fi>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Sheng Yang <sheng@...ux.intel.com>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Marcelo Tosatti <mtosatti@...hat.com>,
	Jes Sorensen <Jes.Sorensen@...hat.com>,
	Gleb Natapov <gleb@...hat.com>, ziteng.huang@...el.com,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Fr?d?ric Weisbecker <fweisbec@...il.com>,
	Gregory Haskins <ghaskins@...ell.com>
Subject: Re: [RFC] Unify KVM kernel-space and user-space code into a single
	project

On Wed, Mar 24, 2010 at 05:52:54PM +0200, Avi Kivity wrote:
> On 03/24/2010 05:50 PM, Joerg Roedel wrote:
>> If we go the /proc/<pid>/kvm way then the directory should probably
>> inherit the label from /proc/<pid>/?
>
> That's a security policy.  The security people like their policies  
> outside the kernel.
>
> For example, they may want a label that allows a trace context to read  
> the data, and also qemu itself for introspection.

Hm, I am not a security expert. But is this not only one entity more for
sVirt to handle? I would leave that decision to the sVirt developers.
Does attaching the same label as for the VM resources mean that root
could not access it anymore?

	Joerg

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