From: Steven L Kinney Date: Wed, 5 Jun 2013 21:11:48 +0000 (-0500) Subject: perf/x86/amd: Add IOMMU Performance Counter resource management X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~62^2~20 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30861ddc9cca479a7fc6a5efef4e5c69d6b274f4;p=pandora-kernel.git perf/x86/amd: Add IOMMU Performance Counter resource management Add functionality to check the availability of the AMD IOMMU Performance Counters and export this functionality to other core drivers, such as in this case, a perf AMD IOMMU PMU. This feature is not bound to any specific AMD family/model other than the presence of the IOMMU with P-C enabled. The AMD IOMMU P-C support static counting only at this time. Signed-off-by: Steven Kinney Signed-off-by: Suravee Suthikulpanit Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/1370466709-3212-2-git-send-email-suravee.suthikulpanit@amd.com Signed-off-by: Ingo Molnar --- Reading git-diff-tree failed