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

Andrew Donnellan ajd@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@ellerman.id.au Cc: Jordan Niethe jniethe5@gmail.com Cc: Stewart Smith stewart@linux.ibm.com Fixes: c8742f85125d ("powerpc/powernv: Expose OPAL firmware symbol map") Cc: stable@vger.kernel.org Signed-off-by: Andrew Donnellan ajd@linux.ibm.com

mpe: ping?

Picked up for v5.4.

cheers