Thanks Stephen and Jeffrey  that  really helped.

Regards,
Ravi

On Thu, Jun 23, 2016 at 10:59 PM, Jeffrey Vander Stoep <[email protected]>
wrote:

> Here's an example migrating code from init_module to finit_module:
> https://android-review.googlesource.com/#/c/210691/
>
> On Thu, Jun 23, 2016 at 10:22 AM Stephen Smalley <[email protected]>
> wrote:
>
>> On 06/22/2016 03:02 PM, Jeffrey Vander Stoep wrote:
>> > [email protected] <mailto:[email protected]> to bcc
>> >
>> > Hi Ravi,
>> >
>> > The intent is not to restrict which processes may load modules, but to
>> > place restrictions on the origin of the module itself. Modules, like the
>> > kernel, should live on a verity protected partition.
>> >
>> > If you want system apps to load a kernel module from the system
>> > partition you just need to add an allow rule. e.g.
>> >
>> > # system_app loads /system/lib/module/wlan.ko
>> > allow system_app system_file:system module_load;
>> >
>> > Similar rules may be added for platform_app or system_server.
>>
>> Actually, that probably won't work for any app domains, as they can't
>> pass the sys_module capability check.  So hopefully you only truly need
>> it for system_server.
>>
>>
>>
>>
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