linux-kernel - Re: [PATCH 3/3] perf, uncore: enable ev_sel

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Message-ID: <20130812151809.GN27162@twins.programming.kicks-ass.net>
Date:	Mon, 12 Aug 2013 17:18:09 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	"Yan, Zheng" <zheng.z.yan@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>
Subject: Re: [PATCH 3/3] perf, uncore: enable ev_sel_ext bit for PCU.

On Fri, Aug 09, 2013 at 11:53:53AM +0200, Stephane Eranian wrote:
> On Wed, Aug 7, 2013 at 8:17 AM, Yan, Zheng <zheng.z.yan@...el.com> wrote:
> >
> > From: "Yan, Zheng" <zheng.z.yan@...el.com>
> >
> > PCU uncore event control register has a undocumented ev_sel_ext bit.
> > The bit is needed by Andi's pmu-tools.
> >
> > Signed-off-by: Yan, Zheng <zheng.z.yan@...el.com>
> 
> 
> Works for me. Is also needed by libpfm4 uncore PCU events.
> Now results make more sense. Please apply.
> 
> Reviewed-by: Stephane Eranian <eranian@...gle.com>

Seriously guys; how am I going to justify merging a changelog that
reads: Provides magic bit to sprinkle fairy dust; required by $people. ?


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