Re: Confusion in usr/include/asm-generic/fcntl.h

[H. Peter Anvin]

John David Anglin wrote:
> > > CONFIG_64BIT on parisc user space looks very wrong.
> > This shouldn't be exported to user space. Is that what you meant?
>
> This does get exported to user space as applications sometimes need
> to know whether they are running under a 32 or 64-bit kernel.  See
> config.guess.  However, it certainly would be wrong to use this
> to make decisions about user space.

CONFIG_* macros are not (or at least should not) be exported to 
userspace!  Userspace should not make compile-time decisions based on 
kernel configuration -- a runtime property!

	-hpa

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