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Date: Wed, 2 Jun 2010 01:25:56 +0400
From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>,
       Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@elte.hu>,
       =?iso-8859-1?Q?Fr=E9d=E9ric?= Weisbecker <fweisbec@gmail.com>,
       Arnaldo Carvalho de Melo <acme@redhat.com>,
       LKML <linux-kernel@vger.kernel.org>,
       Stephane Eranian <eranian@google.com>
Subject: Re: [RFC] perf, x86: Segregate PMU workaraunds into
	x86_pmu_quirk_ops structure
Message-ID: <20100601212556.GD14072@lenovo>
References: <20100529182409.GJ5322@lenovo> <1275157990.1645.519.camel@laptop> <20100531164553.GD5489@lenovo>
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On Mon, May 31, 2010 at 08:45:53PM +0400, Cyrill Gorcunov wrote:
...
> 
> So I guess plain test may be more-less fine here, hmm?
> 
> 	-- Cyrill
> ---
> perf, x86: Make a second write to performance counter when needed
> 
> On Netburst cpu we need a second write to performance counter to
> be sure it's updated properly.
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
> ---
>  arch/x86/kernel/cpu/perf_event.c    |   10 ++++++++++
>  arch/x86/kernel/cpu/perf_event_p4.c |    9 +++++++++
>  2 files changed, 19 insertions(+)
> 
...

Ping? Any objections/ideas on this approach?

	-- Cyrill