From: gang.chen.5i5j@gmail.com (Chen Gang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arch: Kconfig: Let all little endian architectures define CPU_LITTLE_ENDIAN explicitly
Date: Tue, 12 Aug 2014 11:27:42 +0800 [thread overview]
Message-ID: <53E989AE.7070808@gmail.com> (raw)
In-Reply-To: <20140811225326.GF30401@n2100.arm.linux.org.uk>
On 8/12/14 6:53, Russell King - ARM Linux wrote:
> 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.
>
OK, thanks, I shall check all CPU_BIG_ENDIAN and send patch v2 for it.
And still welcome another ideas, suggestions or completions, especially
for another architectures.
Thanks.
--
Chen Gang
Open, share, and attitude like air, water, and life which God blessed
prev parent reply other threads:[~2014-08-12 3:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-11 21:18 [PATCH] arch: Kconfig: Let all little endian architectures define CPU_LITTLE_ENDIAN explicitly Chen Gang
2014-08-11 22:53 ` Russell King - ARM Linux
2014-08-12 3:27 ` Chen Gang [this message]
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