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

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Message-Id: <20090121224335.099C94F30@hiauly1.hia.nrc.ca>
Date:	Wed, 21 Jan 2009 17:43:34 -0500 (EST)
From:	"John David Anglin" <dave@...uly1.hia.nrc.ca>
To:	grundler@...isc-linux.org (Grant Grundler)
Cc:	arnd@...db.de, davem@...emloft.net, jaswinder@...nel.org,
	mingo@...e.hu, x86@...nel.org, linux-kernel@...r.kernel.org,
	linux-parisc@...r.kernel.org
Subject: Re: Confusion in usr/include/asm-generic/fcntl.h

> > 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.

Dave
-- 
J. David Anglin                                  dave.anglin@...-cnrc.gc.ca
National Research Council of Canada              (613) 990-0752 (FAX: 952-6602)
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