Re: [RFC v4 02/17] mm: ability to disable execute permission on a key at creation

From: Balbir Singh
Date: Tue Jun 27 2017 - 07:33:58 EST


On Tue, 2017-06-27 at 03:11 -0700, Ram Pai wrote:
> Currently sys_pkey_create() provides the ability to disable read
> and write permission on the key, at creation. powerpc has the
> hardware support to disable execute on a pkey as well.This patch
> enhances the interface to let disable execute at key creation
> time. x86 does not allow this. Hence the next patch will add
> ability in x86 to return error if PKEY_DISABLE_EXECUTE is
> specified.
>
> Signed-off-by: Ram Pai <linuxram@xxxxxxxxxx>
> ---

Acked-by: Balbir Singh <bsingharora@xxxxxxxxx>