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Date: Fri, 12 Jun 2009 21:26:10 +0800
From: Yong Wang <yong.y.wang@linux.intel.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Mike Galbraith <efault@gmx.de>, Arjan van de Ven <arjan@infradead.org>,
       "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH -tip] perf_counter/x86: Add a quirk for Atom processors
Message-ID: <20090612132610.GA8634@ywang-moblin2.bj.intel.com>
References: <20090612080855.GA2286@ywang-moblin2.bj.intel.com> <20090612114948.GD16044@elte.hu>
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On Fri, Jun 12, 2009 at 01:49:48PM +0200, Ingo Molnar wrote:
> 
> * Yong Wang <yong.y.wang@linux.intel.com> wrote:
> 
> > The fixed-function performance counters do not work on current 
> > Atom processors. Use the general-purpose ones instead.
> 
> ah, nice - applied to tip:perfcounters/core, thanks!
> 
> Does this make your Atom testbox work fine now?
> 

Yup, I tested the patch before I submitted it. It works fine now;-)
I will also keep an eye on future Atom processors to see whether fixed
function PMCs work or not.

Thanks
-Yong