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Message-ID: <20080313224616.GA9139@sergelap.austin.ibm.com>
Date: Thu, 13 Mar 2008 17:46:17 -0500
From: "Serge E. Hallyn" <serue@...ibm.com>
To: James Morris <jmorris@...ei.org>
Cc: "Serge E. Hallyn" <serue@...ibm.com>,
lkml <linux-kernel@...r.kernel.org>,
linux-security-module@...r.kernel.org, Greg KH <greg@...ah.com>,
Stephen Smalley <sds@...ch.ncsc.mil>,
Casey Schaufler <casey@...aufler-ca.com>,
Pavel Emelianov <xemul@...nvz.org>
Subject: Re: [RFC] cgroups: implement device whitelist lsm (v2)
Quoting James Morris (jmorris@...ei.org):
> On Thu, 13 Mar 2008, Serge E. Hallyn wrote:
>
> > True, but while this change simplifies the code a bit, the semantics
> > seem more muddled - devcg will be enforcing when CONFIG_CGROUP_DEV=y
> > and:
> >
> > SECURITY=n or
> > rootplug is enabled
> > capabilities is enabled
> > smack is enabled
> > selinux+capabilities is enabled
>
> Well, this is how real systems are going to be deployed.
Sorry, do you mean with capabilities?
> It becomes confusing, IMHO, if you have to change which secondary LSM you
> stack with SELinux to enable a cgroup feature.
So you're saying selinux without capabilities should still be able to
use dev_cgroup? (Just making sure I understand right)
-serge
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