linux-kernel - AMD IOMMUv2 performance counter patch and family 15h model 10h-1Fh quirk

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Message-ID: <20121116224228.GA23704@skinney-Trinity>
Date:	Fri, 16 Nov 2012 16:42:29 -0600
From:	Steven Kinney <steven.kinney@....com>
To:	<tglx@...utronix.de>, <mingo@...hat.com>, <hpa@...or.com>,
	<x86@...nel.org>, <joerg.roedel@....com>
CC:	<bhelgaas@...gle.com>, <sebastian@...akpoint.cc>,
	<myron.stowe@...hat.com>, <hdoyu@...dia.com>,
	<swarren@...dotorg.org>, <jkosina@...e.cz>,
	<kgene.kim@...sung.com>, <linux-kernel@...r.kernel.org>,
	<iommu@...ts.linux-foundation.org>, <steven.kinney@....com>
Subject: AMD IOMMUv2 performance counter patch and family 15h model 10h-1Fh
 quirk

These patches add AMD IOMMUv2 perfomance counter support and allow external
drivers to manage the PC; for example, a implementation of perf IOMMUv2 PMU.

The quirk fixes a potential problem regarding BIOS and enables the IOMMUv2
Extended Feature Register PC bit targeting AMD Family 15h Model 10h-1Fh.


View attachment "0001-iommuv2-amd-add-quirk-for-15h-models-10h-1Fh.patch" of type "text/x-diff" (1801 bytes)

View attachment "
	"0002-iommuv2-amd-enable-performance-counters-on-family-15h-models-10h-1Fh"" of type "text/plain" (5973 bytes)