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From: Andi Kleen <ak@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Andi Kleen <andi@firstfloor.org>,
	linux-kernel@vger.kernel.org, mingo@kernel.org,
	eranian@google.com, tglx@linutronix.de
Subject: Re: [PATCH 2/2] perf, x86: Use INTEL_FLAGS_UEVENT_CONSTRAINT for PRECDIST
Date: Wed, 10 Sep 2014 07:02:58 -0700	[thread overview]
Message-ID: <20140910140258.GI5387@tassilo.jf.intel.com> (raw)
In-Reply-To: <20140910075926.GM6758@twins.programming.kicks-ass.net>

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@linux.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@linux.intel.com -- Speaking for myself only

  parent reply	other threads:[~2014-09-10 14:03 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-10  0:49 [PATCH 1/2] perf, x86: Add INTEL_FLAGS_UEVENT_CONSTRAINT Andi Kleen
2014-09-10  0:49 ` [PATCH 2/2] perf, x86: Use INTEL_FLAGS_UEVENT_CONSTRAINT for PRECDIST Andi Kleen
2014-09-10  7:59   ` Peter Zijlstra
2014-09-10  7:59     ` Peter Zijlstra
2014-09-10  8:37       ` Stephane Eranian
2014-09-10  8:39         ` Peter Zijlstra
2014-09-10 14:02     ` Andi Kleen [this message]
2014-09-10 14:22       ` Peter Zijlstra
2014-09-23  9:58         ` Peter Zijlstra
2014-10-03  4:02           ` Ingo Molnar
2014-09-10 20:38       ` Thomas Gleixner

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