linux-kernel - Re: [PATCH v2 2/7] mm/ppc: Replace pXd_is_leaf() with pXd

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Message-ID: <20240304125747.GP9179@nvidia.com>
Date: Mon, 4 Mar 2024 08:57:47 -0400
From: Jason Gunthorpe <jgg@...dia.com>
To: peterx@...hat.com
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, Yang Shi <shy828301@...il.com>,
	"Kirill A . Shutemov" <kirill@...temov.name>,
	Muchun Song <muchun.song@...ux.dev>,
	Andrew Morton <akpm@...ux-foundation.org>, x86@...nel.org,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@...nel.org>,
	"Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>
Subject: Re: [PATCH v2 2/7] mm/ppc: Replace pXd_is_leaf() with pXd_leaf()

On Thu, Feb 29, 2024 at 04:42:53PM +0800, peterx@...hat.com wrote:
> From: Peter Xu <peterx@...hat.com>
> 
> They're the same macros underneath.  Drop pXd_is_leaf(), instead always use
> pXd_leaf().
> 
> At the meantime, instead of renames, drop the pXd_is_leaf() fallback
> definitions directly in arch/powerpc/include/asm/pgtable.h. because similar
> fallback macros for pXd_leaf() are already defined in
> include/linux/pgtable.h.
> 
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: Nicholas Piggin <npiggin@...il.com>
> Cc: "Aneesh Kumar K.V" <aneesh.kumar@...nel.org>
> Cc: "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>
> Cc: linuxppc-dev@...ts.ozlabs.org
> Suggested-by: Christophe Leroy <christophe.leroy@...roup.eu>
> Signed-off-by: Peter Xu <peterx@...hat.com>
> ---
>  arch/powerpc/include/asm/book3s/64/pgtable.h | 10 ++++----
>  arch/powerpc/include/asm/pgtable.h           | 24 --------------------
>  arch/powerpc/kvm/book3s_64_mmu_radix.c       | 12 +++++-----
>  arch/powerpc/mm/book3s64/radix_pgtable.c     | 14 ++++++------
>  arch/powerpc/mm/pgtable.c                    |  6 ++---
>  arch/powerpc/mm/pgtable_64.c                 |  6 ++---
>  arch/powerpc/xmon/xmon.c                     |  6 ++---
>  7 files changed, 26 insertions(+), 52 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason