Subject: Re: [PATCH 09/25] powerpc: ability to create execute-disabled pkeys

From: "Aneesh Kumar K.V" <[email-masked]>
Date: Tue, 24 Oct 2017 10:06:18 +0530

Ram Pai <[email-masked]> writes:

> powerpc has hardware support to disable execute on a pkey.
> This patch enables the ability to create execute-disabled
> keys.

Can you summarize here how this works?  Access to IAMR is
privileged so how will keys framework work with IAMR? 

-aneesh