linux-kernel - Re: [PATCH] perf/x86: Fix HO/GO counting with SVM disabled

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Message-ID: <20120229132410.GB10684@amd.com>
Date:	Wed, 29 Feb 2012 14:24:10 +0100
From:	Joerg Roedel <joerg.roedel@....com>
To:	Avi Kivity <avi@...hat.com>
CC:	David Ahern <dsahern@...il.com>, <linux-kernel@...r.kernel.org>,
	<kvm@...r.kernel.org>, <joro@...tes.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>,
	Stephane Eranian <eranian@...gle.com>,
	Gleb Natapov <gleb@...hat.com>,
	Robert Richter <robert.richter@....com>
Subject: Re: [PATCH] perf/x86: Fix HO/GO counting with SVM disabled

On Tue, Feb 28, 2012 at 07:38:34PM +0200, Avi Kivity wrote:
> On 02/28/2012 07:36 PM, David Ahern wrote:

> > I was to suggest the reverse: since this patch addesses an AMD bug,
> > why not push those functions into perf_event_amd.c and make them
> > dependent on CONFIG_CPU_SUP_AMD as well.
> 
> It depends on which direction you expect the code to grow.  These hooks
> seem reasonable, so I think they should be generic.

Okay, I am fine with both directions. But since this patch is a fix in
the first place I make it more AMD specific for now. If we need this as
a generic feature it can easily be changed back.


	Joerg

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