From: Robert Hancock <hancockr@shaw.ca>
To: "remi.chateauneu@gmail.com" <remi.chateauneu@gmail.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: asm/atomic.h and user code
Date: Sat, 03 Mar 2007 20:09:47 -0600 [thread overview]
Message-ID: <45EA2A6B.9090404@shaw.ca> (raw)
In-Reply-To: <1172958807.453840.180700@30g2000cwc.googlegroups.com>
remi.chateauneu@gmail.com wrote:
> Is it me or it seems it is not possible anymore to use asm/atomic.h in
> non-kernel code ? Thanks.
The atomic functions, as with any internal kernel data structures, were
never intended to be used in userspace. In particular, the atomic
functions depend on config settings like CONFIG_SMP in order to actually
be atomic, and that's not guaranteed in userspace.
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/
next parent reply other threads:[~2007-03-04 2:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1172958807.453840.180700@30g2000cwc.googlegroups.com>
2007-03-04 2:09 ` Robert Hancock [this message]
2007-03-04 3:03 ` asm/atomic.h and user code Ralf Baechle
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