linux-kernel - Re: [PATCH] init/Kconfig: Add ENDIAN attributes for all architectures using

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Date:	Mon, 1 Sep 2014 12:08:29 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	Chen Gang <gang.chen.5i5j@...il.com>
CC:	<eparis@...hat.com>, <paulmck@...ux.vnet.ibm.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	<zhenglong.cai@...c.com.cn>, <khilman@...aro.org>,
	<ak@...ux.intel.com>, <mcgrof@...e.com>, <fabf@...net.be>,
	"dhowells@...hat.com" <dhowells@...hat.com>,
	<pefoley2@...oley.com>, <mgorman@...e.de>, <biederm@...ssion.com>,
	"hpa@...or.com" <hpa@...or.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>, Jean Delvare <jdelvare@...e.de>
Subject: Re: [PATCH] init/Kconfig: Add ENDIAN attributes for all
 architectures using

[[PATCH] init/Kconfig: Add ENDIAN attributes for all architectures using] On 01/09/2014 (Mon 23:46) Chen Gang wrote:

> Some individual modules want to know the architecture's endian attribute
> during config time, or may cause compiling break, one sample is below:
> (with allm dconfig under microblaze):
> 
>     CC [M]  drivers/isdn/hisax/nj_s.o
>   drivers/isdn/hisax/nj_s.c: In function 'setup_netjet_s':
>   drivers/isdn/hisax/nj_s.c:265:2: error: #error "not running on big endian machines now"
>    #error "not running on big endian machines now"
> 
> So add endian attributes for all architectures using (next, will let all
> architectures choose their endians during config time).
> 
> Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
> ---
>  init/Kconfig | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/init/Kconfig b/init/Kconfig
> index ac033c3..f301cc8 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -23,6 +23,12 @@ config CONSTRUCTORS
>  config IRQ_WORK
>  	bool
>  
> +config CPU_LITTLE_ENDIAN
> +	bool
> +
> +config CPU_BIG_ENDIAN
> +	bool

Perhaps you should take a cursory look at what already exists in tree
before blindly trying to add more to it?

$ git grep CPU_BIG_ENDIAN | wc -l
88

Paul.
--

> +
>  config BUILDTIME_EXTABLE_SORT
>  	bool
>  
> -- 
> 1.7.11.7
--
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