[PATCH] pkeys: Introduce PKEY_ALLOC_SIGNALINHERIT and change signal semantics

[Dave Hansen]

On 05/14/2018 08:34 AM, Florian Weimer wrote:
>>> The initial PKRU value can currently be configured by the system
>>> administrator.  I fear this approach has too many moving parts to be
>>> viable.
>>
>> Honestly, I think we should drop that option. I don’t see how we can
>> expect an administrator to do this usefully.
> 
> I don't disagree—it makes things way less predictable in practice.

I originally put that thing in there to make Andy happy with the initial
permissions, and give us a way to back it out if something went wrong.
I have no objections to removing it either.