Subject: Re: [PATCH] powerpc/ptdump: fix W+X verification

From: Michael Ellerman <[email-masked]>
Date: Wed, 29 Jan 2020 16:17:36 +1100 (AEDT)

On Tue, 2020-01-14 at 08:13:09 UTC, Christophe Leroy wrote:
> Verification cannot rely on simple bit checking because on some
> platforms PAGE_RW is 0, checking that a page is not W means
> checking that PAGE_RO is set instead of checking that PAGE_RW
> is not set.
> 
> Use pte helpers instead of checking bits.
> 
> Signed-off-by: Christophe Leroy <[email-masked]>
> Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot")

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/d80ae83f1f932ab7af47b54d0d3bef4f4dba489f

cheers