linux-kernel - Re: [patch 2/8] Implement always-locked bit ops, for memory shared with an SMP hypervisor.

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Message-ID: <Pine.LNX.4.64.0608031915030.32487@schroedinger.engr.sgi.com>
Date:	Thu, 3 Aug 2006 19:16:02 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andi Kleen <ak@...e.de>
cc:	virtualization@...ts.osdl.org,
	Jeremy Fitzhardinge <jeremy@...p.org>, akpm@...l.org,
	xen-devel@...ts.xensource.com, Chris Wright <chrisw@...s-sol.org>,
	Ian Pratt <ian.pratt@...source.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 2/8] Implement always-locked bit ops, for memory shared
 with an SMP hypervisor.

On Fri, 4 Aug 2006, Andi Kleen wrote:

> > An include <asm/xen-bitops.h> would need to fall back to asm-generic if
> > there is no file in asm-arch/xen-bitops.h. I thought we had such a 
> > mechanism?
> AFAIK not. If you want generic you need a proxy include file.

Hmm... Well then we have no way of adding a new asm-arch file 
without adding them to each arch. Makes it difficult to add
new functionality.


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