linux-kernel - Re: [PATCH] perf_events: AMD event scheduling (v2)

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Message-ID: <1265295545.24455.2270.camel@laptop>
Date:	Thu, 04 Feb 2010 15:59:05 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	eranian@...gle.com
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, paulus@...ba.org,
	davem@...emloft.net, fweisbec@...il.com, robert.richter@....com,
	perfmon2-devel@...ts.sf.net, eranian@...il.com
Subject: Re: [PATCH]  perf_events: AMD event scheduling (v2)

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.

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