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.4.64.0608022124111.26980@schroedinger.engr.sgi.com>
Date:	Wed, 2 Aug 2006 21:25:18 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andi Kleen <ak@...e.de>
cc:	virtualization@...ts.osdl.org, Zachary Amsden <zach@...are.com>,
	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 Thu, 3 Aug 2006, Andi Kleen wrote:

> On Thursday 03 August 2006 03:25, Christoph Lameter wrote:
> 
> > Good idea. This will also make it easier to support this special 
> > functionality. And it will avoid use in contexts where these are
> > not necessary.
> 
> I think it's a bad idea. We don't want lots of architecture ifdefs
> in some Xen specific file

Thats not how it would be done. We would do this with
architecture specific xen files and a default in asm-generic.

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