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Date: Thu, 19 Apr 2018 11:38:40 -0700
From: Guenter Roeck <linux@roeck-us.net>
To: Greentime Hu <green.hu@gmail.com>
Cc: linux-kernel@vger.kernel.org, arnd@arndb.de, greentime@andestech.com,
        private@roeck-us.net
Subject: Re: [9/9] nds32: Fix the allmodconfig build. To make sure
 CONFIG_CPU_LITTLE_ENDIAN is default y
Message-ID: <20180419183840.GA500@roeck-us.net>
References: <21ef6561299cdbbe0f3571c5048a2eaf5eb43bc7.1524143428.git.greentime@andestech.com>
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On Thu, Apr 19, 2018 at 09:18:15PM +0800, Greentime Hu wrote:
> This way we can build kernel with CONFIG_CPU_LITTLE_ENDIAN=y and allmodconfig
> will be available.
> 
> Signed-off-by: Greentime Hu <greentime@andestech.com>

As Arnd suspected, this causes allnoconfig to fail.
The failure is due to endianness mismatches in vdso code.

Not sure if that is really an improvement.

Guenter

> ---
>  arch/nds32/Kconfig.cpu | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/nds32/Kconfig.cpu b/arch/nds32/Kconfig.cpu
> index ba44cc539da9..b8c8984d1456 100644
> --- a/arch/nds32/Kconfig.cpu
> +++ b/arch/nds32/Kconfig.cpu
> @@ -1,10 +1,11 @@
>  comment "Processor Features"
>  
>  config CPU_BIG_ENDIAN
> -	bool "Big endian"
> +	def_bool !CPU_LITTLE_ENDIAN
>  
>  config CPU_LITTLE_ENDIAN
> -        def_bool !CPU_BIG_ENDIAN
> +	bool "Little endian"
> +	default y
>  
>  config HWZOL
>  	bool "hardware zero overhead loop support"