linux-kernel - Re: [tpmdd-devel] [PATCH RFC 0/4] RFC: in-kernel resource manager

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Message-ID: <20170111113658.u5tmmjbuqrxfgpol@intel.com>
Date:   Wed, 11 Jan 2017 13:36:58 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Ken Goldman <kgoldman@...ibm.com>
Cc:     linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, tpmdd-devel@...ts.sourceforge.net
Subject: Re: [tpmdd-devel] [PATCH RFC 0/4] RFC: in-kernel resource manager

On Tue, Jan 10, 2017 at 02:29:08PM -0500, Ken Goldman wrote:
> On 1/9/2017 6:16 PM, Jarkko Sakkinen wrote:
> > 
> > Here's my cuts for the kernel:
> > 
> > - Kernel virtualizes handle areas. It's mechanical.
> > - Kernel does not virtualize bodies. It's not mechanical.
> > - At least the first version of the RM will not do other than session
> >   isolation for sessions.
> 
> Is it correct that "bodies" are the parameter area of the commands and
> responses?
> 
> if so, eventually something should virtualize getcapability.  It may be
> safer in user space, but it can mask RM issues.

body == command / response - (header + handle area)

/Jarkko