Subject: Re: [PATCH] powerpc/mm: Fix KUAP warning by providing copy_from_kernel_nofault_allowed()

From: Christoph Hellwig <[email-masked]>
Date: Sat, 5 Dec 2020 14:00:45 +0100

Yes, I think at this point in the release cycle the specific powerpc
fix is safer anyway.  But this screams for an eventual general solution.