linux-kernel - Re: [PATCH 1/3] AMD x86 quirks: Quirk for enabling IOMMUv2 PC feature

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Message-ID: <20130128153656.GA25591@8bytes.org>
Date:	Mon, 28 Jan 2013 16:36:56 +0100
From:	Joerg Roedel <joro@...tes.org>
To:	"Kinney, Steven" <Steven.Kinney@....com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"x86@...nel.org" <x86@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>,
	Myron Stowe <myron.stowe@...hat.com>,
	Hiroshi DOYU <hdoyu@...dia.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Jiri Kosina <jkosina@...e.cz>,
	Kukjin Kim <kgene.kim@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Thomas Renninger <trenn@...e.de>,
	Andi Kleen <ak@...ux.intel.com>,
	Cyrill Gorcunov <gorcunov@...nvz.org>
Subject: Re: [PATCH 1/3] AMD x86 quirks: Quirk for enabling IOMMUv2 PC feature

On Mon, Jan 28, 2013 at 02:59:25PM +0000, Kinney, Steven wrote:
> Testing with perf shows expected results.

Can you give me an impression on how the results look like when perf is
used? Since the hardware is widely available yet I can't try this
myself.


	Joerg


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