linux-kernel - Re: [PATCH] WorkStruct: Implement generic UP cmpxchg() where an arch doesn't support it

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Message-ID: <20061206200909.GB5481@xi.wantstofly.org>
Date:	Wed, 6 Dec 2006 21:09:09 +0100
From:	Lennert Buytenhek <buytenh@...tstofly.org>
To:	David Howells <dhowells@...hat.com>
Cc:	torvalds@...l.org, akpm@...l.org,
	linux-arm-kernel@...ts.arm.linux.org.uk,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] WorkStruct: Implement generic UP cmpxchg() where an arch doesn't support it

On Wed, Dec 06, 2006 at 07:47:22PM +0000, David Howells wrote:

> > > Pre-v6 ARM doesn't support SMP according to ARM's atomic.h,
> > 
> > That's not quite true, there exist ARMv5 processors that in theory
> > can support SMP.
> 
> I meant that the Linux ARM arch doesn't support it:

Ah, yes, not currently.  That's true.
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