[PATCH v2] powerpc/powernv: Restrict OPAL symbol map to only be readable by root

[Michael Ellerman]

Andrew Donnellan <ajd at linux.ibm.com> writes:
> On 3/5/19 5:52 pm, Andrew Donnellan wrote:
>> Currently the OPAL symbol map is globally readable, which seems bad as it
>> contains physical addresses.
>> 
>> Restrict it to root.
>> 
>> Suggested-by: Michael Ellerman <mpe at ellerman.id.au>
>> Cc: Jordan Niethe <jniethe5 at gmail.com>
>> Cc: Stewart Smith <stewart at linux.ibm.com>
>> Fixes: c8742f85125d ("powerpc/powernv: Expose OPAL firmware symbol map")
>> Cc: stable at vger.kernel.org
>> Signed-off-by: Andrew Donnellan <ajd at linux.ibm.com>
>
> mpe: ping?

Picked up for v5.4.

cheers