[PATCH v3] powerpc, pkey: make protection key 0 less special

[Ram Pai]

On Fri, May 04, 2018 at 02:31:10PM -0700, Dave Hansen wrote:
> On 05/04/2018 02:26 PM, Michal Suchánek wrote:
> > If it is not ok to change permissions of pkey 0 is it ok to free it?
> 
> It's pretty much never OK to free it on x86 or ppc.  But, we're not
> going to put code in to keep userspace from shooting itself in the foot,
> at least on x86.

and on powerpc aswell.


-- 
Ram Pai