Re: [COMPAT] Add compat_merge64 helper

From: Heiko Carstens
Date: Sat Sep 29 2007 - 05:49:16 EST

On Fri, Sep 28, 2007 at 06:33:51PM -0400, Kyle McMartin wrote:
> To be used when endianness matters for argument ordering when reassembling
> a 64-bit value out of two register halves.
> Signed-off-by: Kyle McMartin <kyle@xxxxxxxxxxx>
> +static inline u64 compat_merge64(u32 left, u32 right)
> +{
> +#if defined(__BIG_ENDIAN)
> + return ((u64)left << 32) | right;
> +#else /* defined (__LITTLE_ENDIAN) */

Could you change that to an #elif please and #error out if none is defined?
Should safe us from subtle bugs caused by missing includes.
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