linux-kernel - Re: [PATCH v5 2/2] staging: ion: create one device entry per heap

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Date:   Mon, 9 Oct 2017 17:10:37 -0700
From:   Laura Abbott <labbott@...hat.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Sandeep Patil <sspatil@...gle.com>,
        driverdevel <devel@...verdev.osuosl.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Riley Andrews <riandrews@...roid.com>,
        linux-api@...r.kernel.org, Sumit Semwal <sumit.semwal@...aro.org>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [PATCH v5 2/2] staging: ion: create one device entry per heap

On 10/09/2017 03:08 PM, Mark Brown wrote:
> On Mon, Oct 09, 2017 at 02:25:47PM -0700, Laura Abbott wrote:
> 
>> Anyway, to move this forward I think we need to see a proof of concept
>> of using selinux to protect access to specific heaps.
> 
> Aren't Unix permissions enough with separate files or am I
> misunderstanding what you're looking to see a proof of concept for?
> 

The goal is to be able to restrict heap access to certain services
and selinux groups on Android so straight unix permissions aren't
sufficient.

Thanks,
Laura