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Date:	Mon, 11 Aug 2014 23:53:26 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Chen Gang <gang.chen.5i5j@...il.com>
Cc:	Arnd Bergmann <arnd@...db.de>, akpm@...ux-foundation.org,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Jean Delvare <jdelvare@...e.de>, catalin.marinas@....com,
	will.deacon@....com, tony.luck@...el.com, fenghua.yu@...el.com,
	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	x86@...nel.org, linux-arm-kernel@...ts.infradead.org,
	linux-ia64@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arch: Kconfig: Let all little endian architectures
	define CPU_LITTLE_ENDIAN explicitly

On Tue, Aug 12, 2014 at 05:18:44AM +0800, Chen Gang wrote:
> x86, ia64, and arm(64) are little endian, and also another architectures
> may be little endian (mips, sh, powerpc, and m32r) which already marked
> CPU_LITTLE_ENDIAN explicitly.

This is incorrect.  ARM can be either endian.

arch/arm/mm/Kconfig:

config CPU_BIG_ENDIAN
        bool "Build big-endian kernel"
        depends on ARCH_SUPPORTS_BIG_ENDIAN
        help
          Say Y if you plan on running a kernel in big-endian mode.
          Note that your board must be properly built and your board
          port must properly enable any big-endian related features
          of your chipset/board/processor.

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