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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: David Woodhouse <dwmw2@infradead.org>
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Date: Tue, 08 Nov 2005 08:20:36 +1100
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Subject: Re: [PATCH] Fix ppc32 smp build.
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On Mon, 2005-11-07 at 09:47 +0000, David Woodhouse wrote:
> On Sun, 2005-11-06 at 21:51 +1100, Paul Mackerras wrote:
> > If we really can get unsynchronized timebases still, then I suppose we
> > need to bring back the smp_tb_synchronized variable, 
> 
> We make no attempt to sync the timebases on quad powersurge, as far as I
> can tell -- and we never set smp_tb_synchronized there.

We don't even use the software sync ? Hrm... actually, I think the
software sync was designed for 2 CPUs only.

Now, go find the one user that had a quad powersurge :)

Ben.