From: Heiko Carstens <hca@linux.ibm.com>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Kees Cook <keescook@chromium.org>,
Anna-Maria Behnsen <anna-maria@linutronix.de>,
Arnd Bergmann <arnd@arndb.de>, Matt Turner <mattst88@gmail.com>,
Vineet Gupta <vgupta@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Guo Ren <guoren@kernel.org>, Brian Cain <bcain@quicinc.com>,
Huacai Chen <chenhuacai@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michal Simek <monstr@monstr.eu>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Helge Deller <deller@gmx.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Palmer Dabbelt <palmer@dabbelt.com>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
Andreas Larsson <andreas@gaisler.com>,
Richard Weinberger <richard@nod.at>,
x86@kernel.org, Max Filippov <jcmvbkbc@gmail.com>,
Andy Lutomirski <luto@kernel.org>,
Jan Kiszka <jan.kiszka@siemens.com>,
Kieran Bingham <kbingham@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-snps-arc@lists.infradead.org,
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Subject: Re: [PATCH 3/4] arch: define CONFIG_PAGE_SIZE_*KB on all architectures
Date: Tue, 27 Feb 2024 08:41:16 +0100 [thread overview]
Message-ID: <20240227074116.6127-A-hca@linux.ibm.com> (raw)
In-Reply-To: <20240226161414.2316610-4-arnd@kernel.org>
On Mon, Feb 26, 2024 at 05:14:13PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> Most architectures only support a single hardcoded page size. In order
> to ensure that each one of these sets the corresponding Kconfig symbols,
> change over the PAGE_SHIFT definition to the common one and allow
> only the hardware page size to be selected.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
...
> arch/s390/Kconfig | 1 +
> arch/s390/include/asm/page.h | 2 +-
...
> diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
> index fe565f3a3a91..b61c74c10050 100644
> --- a/arch/s390/Kconfig
> +++ b/arch/s390/Kconfig
> @@ -199,6 +199,7 @@ config S390
> select HAVE_MOD_ARCH_SPECIFIC
> select HAVE_NMI
> select HAVE_NOP_MCOUNT
> + select HAVE_PAGE_SIZE_4KB
> select HAVE_PCI
> select HAVE_PERF_EVENTS
> select HAVE_PERF_REGS
> diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
> index 73b9c3bf377f..ded9548d11d9 100644
> --- a/arch/s390/include/asm/page.h
> +++ b/arch/s390/include/asm/page.h
> @@ -11,7 +11,7 @@
> #include <linux/const.h>
> #include <asm/types.h>
>
> -#define _PAGE_SHIFT 12
> +#define _PAGE_SHIFT CONFIG_PAGE_SHIFT
Acked-by: Heiko Carstens <hca@linux.ibm.com>
next prev parent reply other threads:[~2024-02-27 13:57 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-26 16:14 [PATCH 0/4] arch: mm, vdso: consolidate PAGE_SIZE definition Arnd Bergmann
2024-02-26 16:14 ` [PATCH 1/4] arch: consolidate existing CONFIG_PAGE_SIZE_*KB definitions Arnd Bergmann
2024-02-26 16:55 ` Samuel Holland
2024-02-27 15:40 ` Arnd Bergmann
2024-02-27 15:44 ` Christophe Leroy
2024-02-27 15:48 ` Arnd Bergmann
2024-02-26 19:02 ` Christophe Leroy
2024-02-27 15:42 ` Arnd Bergmann
2024-02-27 8:45 ` Geert Uytterhoeven
2024-02-27 15:43 ` Arnd Bergmann
2024-02-26 16:14 ` [PATCH 2/4] arch: simplify architecture specific page size configuration Arnd Bergmann
2024-02-26 19:05 ` Christophe Leroy
2024-02-27 13:46 ` Catalin Marinas
2024-02-27 13:53 ` Helge Deller
2024-02-26 16:14 ` [PATCH 3/4] arch: define CONFIG_PAGE_SIZE_*KB on all architectures Arnd Bergmann
2024-02-27 0:49 ` Guo Ren
2024-02-27 7:41 ` Heiko Carstens [this message]
2024-02-27 8:54 ` Geert Uytterhoeven
2024-02-27 10:59 ` Arnd Bergmann
2024-02-27 11:12 ` Geert Uytterhoeven
2024-02-27 14:18 ` Arnd Bergmann
2024-02-28 21:06 ` Stafford Horne
2024-03-05 10:59 ` Johannes Berg
2024-02-26 16:14 ` [PATCH 4/4] vdso: avoid including asm/page.h Arnd Bergmann
2024-02-26 18:53 ` Christophe Leroy
2024-02-27 12:57 ` Michael Ellerman
2024-02-27 13:46 ` Catalin Marinas
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