Re: asm-x86/byteorder.h: clean up for userspace

[H. Peter Anvin]

Adrian Bunk wrote:
> Userspace either has to #define CONFIG_X86_BSWAP or it'll get the slow 
> versions of these functions...
>
> Leaking CONFIG_ variables to userspace is not really funny - I remember 
> e.g. what tricks MySQL does (did?) for (ab)using asm-i386/atomic.h in 
> userspace.

True.  CONFIG_X86_BSWAP isn't appropriate for userspace anyway, 
userspace needs to use the appropriate gcc intrinsics for 486+.

	-hpa
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