linux-kernel - Re: 2.6.18 Headers

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Message-ID: <20060717052157.GA3674@linux-mips.org>
Date:	Mon, 17 Jul 2006 01:21:57 -0400
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Albert Cahalan <acahalan@...il.com>, dwmw2@...radead.org,
	maillist@...55.com, linux-kernel@...r.kernel.org,
	davem@...emloft.net
Subject: Re: 2.6.18 Headers - Long

On Sat, Jul 15, 2006 at 11:19:06PM +0200, Arjan van de Ven wrote:

> > The attraction is that the kernel abstractions are very nice.
> > Much of the POSIX API sucks ass. The kernel stuff is NOT crap.
> > 
> > Here we have a full-featured set of atomic ops,
> 
> which are not atomic actually in userspace (hint: most apps don't have
> CONFIG_SMP set)

Atomic ops for some architectures / configuration won't even work at al
in userspace because they're implemented by disabling interrupts.

  Ralf
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