Re: [RFC V3 8/8] mm: Drop pxd_ERROR()

From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Anshuman Khandual <anshuman.khandual@arm.com>,
	linux-mm@kvack.org, akpm@linux-foundation.org
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	Helge Deller <deller@gmx.de>, Huacai Chen <chenhuacai@kernel.org>,
	WANG Xuerui <kernel@xen0n.name>,
	linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
	linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev,
	linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
	linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
	linux-s390@vger.kernel.org, linux-sh@vger.kernel.org,
	sparclinux@vger.kernel.org, linux-um@lists.infradead.org,
	linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
	Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: [RFC V3 8/8] mm: Drop pxd_ERROR()
Date: Tue, 18 Aug 2026 19:26:57 +0200	[thread overview]
Message-ID: <276c385a-371f-4971-b50d-520d3faf5364@kernel.org> (raw)
In-Reply-To: <20260818040041.1891769-9-anshuman.khandual@arm.com>

On 8/18/26 06:00, Anshuman Khandual wrote:
> There are no more users left for any pxd_ERROR() either in generic MM or in
> the platform MM. Hence all these platform macros along with their generic
> fallback could be dropped across the tree.
> 
> Cc: linux-alpha@vger.kernel.org
> Cc: linux-snps-arc@lists.infradead.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-csky@vger.kernel.org
> Cc: linux-hexagon@vger.kernel.org
> Cc: loongarch@lists.linux.dev
> Cc: linux-m68k@lists.linux-m68k.org
> Cc: linux-mips@vger.kernel.org
> Cc: linux-openrisc@vger.kernel.org
> Cc: linux-parisc@vger.kernel.org
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: linux-riscv@lists.infradead.org
> Cc: linux-s390@vger.kernel.org
> Cc: linux-sh@vger.kernel.org
> Cc: sparclinux@vger.kernel.org
> Cc: linux-um@lists.infradead.org
> Cc: linux-arch@vger.kernel.org
> Cc: linux-mm@kvack.org
> Cc: linux-kernel@vger.kernel.org
> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
> ---
> Changes in RFC V3
> 
> - Moved ptrval_to_str() as header in a [PATCH 1/8]
> - Stopped using pxd_ERROR() in generic MM in [PATCH 2/8]
> - Dropped pxd_ERRO() macros from all platforms in this patch
> 
>  arch/alpha/include/asm/pgtable.h               |  7 -------
>  arch/arc/include/asm/pgtable-levels.h          | 11 -----------
>  arch/arm/include/asm/pgtable.h                 |  7 -------
>  arch/arm/kernel/traps.c                        | 17 -----------------
>  arch/arm64/include/asm/pgtable.h               | 15 ---------------
>  arch/csky/include/asm/pgtable.h                |  4 ----
>  arch/hexagon/include/asm/pgtable.h             |  3 ---
>  arch/loongarch/include/asm/pgtable.h           | 11 -----------
>  arch/m68k/include/asm/mcf_pgtable.h            |  6 ------
>  arch/m68k/include/asm/motorola_pgtable.h       |  8 --------
>  arch/m68k/include/asm/sun3_pgtable.h           |  7 -------
>  arch/microblaze/include/asm/pgtable.h          |  7 -------
>  arch/mips/include/asm/pgtable-32.h             | 10 ----------
>  arch/mips/include/asm/pgtable-64.h             | 13 -------------
>  arch/nios2/include/asm/pgtable.h               |  7 -------
>  arch/openrisc/include/asm/pgtable.h            |  7 -------
>  arch/parisc/include/asm/pgtable.h              |  9 ---------
>  arch/powerpc/include/asm/book3s/32/pgtable.h   |  2 --
>  arch/powerpc/include/asm/book3s/64/pgtable.h   |  7 -------
>  arch/powerpc/include/asm/nohash/32/pgtable.h   |  2 --
>  .../powerpc/include/asm/nohash/64/pgtable-4k.h |  3 ---
>  arch/powerpc/include/asm/nohash/64/pgtable.h   |  5 -----
>  arch/riscv/include/asm/pgtable-64.h            |  9 ---------
>  arch/riscv/include/asm/pgtable.h               |  4 ----
>  arch/s390/include/asm/pgtable.h                | 11 -----------
>  arch/sh/include/asm/pgtable-3level.h           |  3 ---
>  arch/sh/include/asm/pgtable_32.h               |  8 --------
>  arch/sparc/include/asm/pgtable_32.h            |  3 ---
>  arch/sparc/include/asm/pgtable_64.h            | 10 ----------
>  arch/um/include/asm/pgtable-2level.h           |  7 -------
>  arch/um/include/asm/pgtable-4level.h           | 13 -------------
>  arch/x86/include/asm/pgtable-2level.h          |  5 -----
>  arch/x86/include/asm/pgtable-3level.h          | 11 -----------
>  arch/x86/include/asm/pgtable_64.h              | 18 ------------------
>  arch/xtensa/include/asm/pgtable.h              |  4 ----
>  include/asm-generic/pgtable-nop4d.h            |  1 -
>  include/asm-generic/pgtable-nopmd.h            |  1 -
>  include/asm-generic/pgtable-nopud.h            |  1 -
>  38 files changed, 277 deletions(-)

Nice

Acked-by: David Hildenbrand (Arm) <david@kernel.org>

-- 
Cheers,

David