Re: [PATCH v2 00/14] arch,mm: cleanup Kconfig entries for ARCH_FORCE_MAX_ORDER

From: Mike Rapoport <rppt@kernel.org>
To: Zi Yan <ziy@nvidia.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	"David S. Miller" <davem@davemloft.net>,
	Dinh Nguyen <dinguyen@kernel.org>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Guo Ren <guoren@kernel.org>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Rich Felker <dalias@libc.org>,
	Russell King <linux@armlinux.org.uk>,
	Will Deacon <will@kernel.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
	linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-m68k@lists.linux-m68k.org, linux-mm@kvack.org,
	linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org,
	linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org
Subject: Re: [PATCH v2 00/14] arch,mm: cleanup Kconfig entries for ARCH_FORCE_MAX_ORDER
Date: Fri, 24 Mar 2023 19:48:50 +0300	[thread overview]
Message-ID: <ZB3Uci7kjTOyOEiy@kernel.org> (raw)
In-Reply-To: <F98008AC-F79C-4712-A262-4EC85BBC0B29@nvidia.com>

On Fri, Mar 24, 2023 at 10:30:07AM -0400, Zi Yan wrote:
> On 24 Mar 2023, at 1:22, Mike Rapoport wrote:
> 
> > From: "Mike Rapoport (IBM)" <rppt@kernel.org>
> >
> > Hi,
> >
> > Several architectures have ARCH_FORCE_MAX_ORDER in their Kconfig and
> > they all have wrong and misleading prompt and help text for this option.
> >
> > Besides, some define insane limits for possible values of
> > ARCH_FORCE_MAX_ORDER, some carefully define ranges only for a subset of
> > possible configurations, some make this option configurable by users for no
> > good reason.
> >
> > This set updates the prompt and help text everywhere and does its best to
> > update actual definitions of ranges where applicable.
> >
> > kbuild generated a bunch of false positives because it assigns -1 to
> > ARCH_FORCE_MAX_ORDER, hopefully this will be fixed soon.
> >
> > v2:
> > * arm64: show prompt for ARCH_FORCE_MAX_ORDER only if EXPERT (Catalin)
> > * Add Acked- and Reviewed-by tags (thanks Geert, Kirill and Max)
> >
> > v1: https://lore.kernel.org/all/20230323092156.2545741-1-rppt@kernel.org
> >
> > Mike Rapoport (IBM) (14):
> >   arm: reword ARCH_FORCE_MAX_ORDER prompt and help text
> >   arm64: drop ranges in definition of ARCH_FORCE_MAX_ORDER
> >   arm64: reword ARCH_FORCE_MAX_ORDER prompt and help text
> >   csky: drop ARCH_FORCE_MAX_ORDER
> >   ia64: don't allow users to override ARCH_FORCE_MAX_ORDER
> >   m68k: reword ARCH_FORCE_MAX_ORDER prompt and help text
> >   nios2: reword ARCH_FORCE_MAX_ORDER prompt and help text
> >   nios2: drop ranges for definition of ARCH_FORCE_MAX_ORDER
> >   powerpc: reword ARCH_FORCE_MAX_ORDER prompt and help text
> >   powerpc: drop ranges for definition of ARCH_FORCE_MAX_ORDER
> >   sh: reword ARCH_FORCE_MAX_ORDER prompt and help text
> >   sh: drop ranges for definition of ARCH_FORCE_MAX_ORDER
> >   sparc: reword ARCH_FORCE_MAX_ORDER prompt and help text
> >   xtensa: reword ARCH_FORCE_MAX_ORDER prompt and help text
> >
> >  arch/arm/Kconfig      | 16 +++++++++-------
> >  arch/arm64/Kconfig    | 27 ++++++++++++---------------
> >  arch/csky/Kconfig     |  4 ----
> >  arch/ia64/Kconfig     |  3 +--
> >  arch/m68k/Kconfig.cpu | 16 +++++++++-------
> >  arch/nios2/Kconfig    | 17 +++++++++--------
> >  arch/powerpc/Kconfig  | 22 +++++++++-------------
> >  arch/sh/mm/Kconfig    | 19 +++++++++----------
> >  arch/sparc/Kconfig    | 16 +++++++++-------
> >  arch/xtensa/Kconfig   | 16 +++++++++-------
> >  10 files changed, 76 insertions(+), 80 deletions(-)
> >
> >
> > base-commit: 51551d71edbc998fd8c8afa7312db3d270f5998e
> 
> LGTM, thanks. Reviewed-by: Zi Yan <ziy@nvidia.com>

Thanks!

And thanks for spotting the mistakes in arm64 and sh patches.

> --
> Best Regards,
> Yan, Zi

-- 
Sincerely yours,
Mike.