[PATCH v5 2/2] staging: ion: create one device entry per heap

[Mark Brown]

On Mon, Oct 09, 2017 at 05:10:37PM -0700, Laura Abbott wrote:
> 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.

Oh, there's Android users for this?  The users I was aware of were
non-Android.  Though even so I'd have thought that given that SELinux is
a superset of Unix file permissions it ought to be sufficient to be able
to use them.  I'd been thinking people were suggesting SELinux as a
replacement for file permissions, using the single file and the greater
capabilities of SELinux.
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