From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH v2] perf/x86: Fix HO/GO counting with SVM disabled
Date: Wed, 29 Feb 2012 18:24:31 +0100
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Cc: Avi Kivity <avi@redhat.com>, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, joro@8bytes.org, Ingo Molnar <mingo@elte.hu>,
	Stephane Eranian <eranian@google.com>,
	David Ahern <dsahern@gmail.com>,
	Gleb Natapov <gleb@redhat.com>,
	Robert Richter <robert.richter@amd.com>
To: Joerg Roedel <joerg.roedel@amd.com>
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On Wed, 2012-02-29 at 18:05 +0100, Joerg Roedel wrote:
> Once northbridge counters are implemented for Fam15h this check can go
> away again. 

Nope, northbridge on fam15 is completely disjoint from the regular pmu
and should thus be a separate driver.

The only reason the old amd driver has them both is because how they
shared the registers so there is a shared resource to manage.