Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1299966

[PATCH v2 0/6] perf/amd/iommu: Enable multi-IOMMU support

Show all headers | View raw

This patch series modifies the existing perf_event_amd_iommu driver
to support systems with multiple IOMMUs. It introduces new AMD IOMMU APIs,
which will are used by the AMD IOMMU Perf driver to access performance
counters in multiple IOMMUs.

In addition, this series should also fix current AMD IOMMU PMU driver
initialization issue in some existing CZ platform.

Changes from V1 (https://lkml.org/lkml/2015/12/22/535):
  * Update patch3 and 6 to use amd_iommus_present instead of introducing
    amd_iommu_cnt static variable since they are the same thing

Suravee Suthikulpanit (6):
  perf/amd/iommu: Consolidate and move perf_event_amd_iommu header
  perf/amd/iommu: Modify functions to query max banks and counters
  iommu/amd: Introduce amd_iommu_get_num_iommus()
  perf/amd/iommu: Introduce data structure for tracking prev count.
  perf/amd/iommu: Introduce get_iommu_bnk_cnt_evt_idx
  perf/amd/iommu: Enable support for multiple IOMMUs

 arch/x86/kernel/cpu/perf_event_amd_iommu.c | 145 +++++++++++++++++++----------
 arch/x86/kernel/cpu/perf_event_amd_iommu.h |  40 --------
 drivers/iommu/amd_iommu_init.c             | 117 +++++++++++++++++++----
 drivers/iommu/amd_iommu_proto.h            |   7 --
 include/linux/perf/perf_event_amd_iommu.h  |  43 +++++++++
 5 files changed, 239 insertions(+), 113 deletions(-)
 delete mode 100644 arch/x86/kernel/cpu/perf_event_amd_iommu.h
 create mode 100644 include/linux/perf/perf_event_amd_iommu.h

-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH v2 0/6] perf/amd/iommu: Enable multi-IOMMU support Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-01-01 19:30 +0100
  [PATCH v2 5/6] perf/amd/iommu: Introduce get_iommu_bnk_cnt_evt_idx Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-01-01 19:30 +0100
  [PATCH v2 3/6] iommu/amd: Introduce amd_iommu_get_num_iommus() Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-01-01 19:30 +0100
    Re: [PATCH v2 3/6] iommu/amd: Introduce amd_iommu_get_num_iommus() Joerg Roedel <joro@8bytes.org> - 2016-01-07 13:20 +0100
  [PATCH v2 6/6] perf/amd/iommu: Enable support for multiple IOMMUs Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-01-01 19:30 +0100
  [PATCH v2 4/6] perf/amd/iommu: Introduce data structure for tracking prev count. Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-01-01 19:30 +0100
    Re: [PATCH v2 4/6] perf/amd/iommu: Introduce data structure for  tracking prev count. Joerg Roedel <joro@8bytes.org> - 2016-01-07 13:30 +0100
  [PATCH v2 2/6] perf/amd/iommu: Modify functions to query max banks and counters Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-01-01 19:30 +0100
    Re: [PATCH v2 2/6] perf/amd/iommu: Modify functions to query max  banks and counters Joerg Roedel <joro@8bytes.org> - 2016-01-07 13:40 +0100
      Re: [PATCH v2 2/6] perf/amd/iommu: Modify functions to query max  banks and counters Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-01-07 16:30 +0100
  [PATCH v2 1/6] perf/amd/iommu: Consolidate and move perf_event_amd_iommu header Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-01-01 19:30 +0100
    Re: [PATCH v2 1/6] perf/amd/iommu: Consolidate and move  perf_event_amd_iommu header Joerg Roedel <joro@8bytes.org> - 2016-01-07 13:40 +0100

csiph-web