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Subject: Re: [PATCH -mm 1/6] cpu_relax(): interrupt.h
From: Arjan van de Ven <arjan@infradead.org>
To: Andreas Mohr <andi@rhlx01.fht-esslingen.de>
Cc: Andrew Morton <akpm@osdl.org>, Nick Piggin <nickpiggin@yahoo.com.au>,
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Date: Wed, 21 Jun 2006 23:04:20 +0200
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On Wed, 2006-06-21 at 22:59 +0200, Andreas Mohr wrote:
> Add cpu_relax() to tasklet_unlock_wait() loop.
> 
> 
> I kept barrier() since it is said to still be required, in various older
> postings.

cpu_relax() includes a barrier always, per definition.
(simply because anywhere you would use cpu_relax() you would also put a
barrier)