linux-kernel - Re: [PATCH 2/2] perf, x86: Use INTEL_FLAGS_UEVENT

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Date:	Wed, 10 Sep 2014 07:02:58 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	mingo@...nel.org, eranian@...gle.com, tglx@...utronix.de
Subject: Re: [PATCH 2/2] perf, x86: Use INTEL_FLAGS_UEVENT_CONSTRAINT for
 PRECDIST

On Wed, Sep 10, 2014 at 09:59:26AM +0200, Peter Zijlstra wrote:
> On Tue, Sep 09, 2014 at 05:49:08PM -0700, Andi Kleen wrote:
> > From: Andi Kleen <ak@...ux.intel.com>
> > 
> > The earlier commit 86a04461a made near all PEBS on
> > Sandy/IvyBridge/Haswell to reject non zero flags.
> 
> What's magic about nehalem and westmere?

I wasn't able to confirm their behavior explicitly, so I felt
it best to leave them alone.

But in principle adding the _FLAGS changes there too would
make sense too.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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