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Subject: Re: [PATCH]  perf_events: AMD event scheduling (v2)
From: Peter Zijlstra <peterz@infradead.org>
To: eranian@google.com
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, paulus@samba.org,
       davem@davemloft.net, fweisbec@gmail.com, robert.richter@amd.com,
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Date: Thu, 04 Feb 2010 15:59:05 +0100
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On Thu, 2010-02-04 at 15:55 +0100, Peter Zijlstra wrote:
> > +     if (boot_cpu_data.x86_max_cores < 2)
> > +             return;
> 
> So there are no single core AMD chips that have a NorthBridge PMU? What
> about the recent 64bit single core laptop chips?

D'0h, for those there is no need to create inter-cpu constraints.