linux-kernel - Re: [PATCH v2 2/3] arch: simplify architecture specific page size configuration

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Date: Thu, 07 Mar 2024 23:34:00 +1100
From: Michael Ellerman <mpe@...erman.id.au>
To: Arnd Bergmann <arnd@...nel.org>, Anna-Maria Behnsen
 <anna-maria@...utronix.de>, Thomas Gleixner <tglx@...utronix.de>, Vincenzo
 Frascino <vincenzo.frascino@....com>, Kees Cook <keescook@...omium.org>
Cc: Arnd Bergmann <arnd@...db.de>, Matt Turner <mattst88@...il.com>, Vineet
 Gupta <vgupta@...nel.org>, Russell King <linux@...linux.org.uk>, Catalin
 Marinas <catalin.marinas@....com>, Guo Ren <guoren@...nel.org>, Brian Cain
 <bcain@...cinc.com>, Huacai Chen <chenhuacai@...nel.org>, Geert
 Uytterhoeven <geert@...ux-m68k.org>, Michal Simek <monstr@...str.eu>,
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Helge Deller
 <deller@....de>, Christophe Leroy <christophe.leroy@...roup.eu>, Palmer
 Dabbelt <palmer@...belt.com>, John Paul Adrian Glaubitz
 <glaubitz@...sik.fu-berlin.de>, Andreas Larsson <andreas@...sler.com>,
 Richard Weinberger <richard@....at>, x86@...nel.org, Max Filippov
 <jcmvbkbc@...il.com>, Andy Lutomirski <luto@...nel.org>, Jan Kiszka
 <jan.kiszka@...mens.com>, Kieran Bingham <kbingham@...nel.org>, Andrew
 Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org,
 linux-alpha@...r.kernel.org, linux-snps-arc@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, linux-csky@...r.kernel.org,
 linux-hexagon@...r.kernel.org, loongarch@...ts.linux.dev,
 linux-m68k@...ts.linux-m68k.org, linux-mips@...r.kernel.org,
 linux-openrisc@...r.kernel.org, linux-parisc@...r.kernel.org,
 linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org,
 linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
 sparclinux@...r.kernel.org, linux-um@...ts.infradead.org
Subject: Re: [PATCH v2 2/3] arch: simplify architecture specific page size
 configuration

Arnd Bergmann <arnd@...nel.org> writes:
> From: Arnd Bergmann <arnd@...db.de>
>
> arc, arm64, parisc and powerpc all have their own Kconfig symbols
> in place of the common CONFIG_PAGE_SIZE_4KB symbols. Change these
> so the common symbols are the ones that are actually used, while
> leaving the arhcitecture specific ones as the user visible
> place for configuring it, to avoid breaking user configs.
>
> Reviewed-by: Christophe Leroy <christophe.leroy@...roup.eu> (powerpc32)
> Acked-by: Catalin Marinas <catalin.marinas@....com>
> Acked-by: Helge Deller <deller@....de> # parisc
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> No changes from v1
>
>  arch/arc/Kconfig                  |  3 +++
>  arch/arc/include/uapi/asm/page.h  |  6 ++----
>  arch/arm64/Kconfig                | 29 +++++++++++++----------------
>  arch/arm64/include/asm/page-def.h |  2 +-
>  arch/parisc/Kconfig               |  3 +++
>  arch/parisc/include/asm/page.h    | 10 +---------
>  arch/powerpc/Kconfig              | 31 ++++++-------------------------
>  arch/powerpc/include/asm/page.h   |  2 +-
>  scripts/gdb/linux/constants.py.in |  2 +-
>  scripts/gdb/linux/mm.py           |  2 +-
>  10 files changed, 32 insertions(+), 58 deletions(-)

Acked-by: Michael Ellerman <mpe@...erman.id.au> (powerpc)

cheers