linux-kernel - [PATCH v3 0/4] perf: ampere: Add support for Ampere SoC PMUs

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Date:   Wed,  7 Jun 2023 01:31:35 -0700
From:   Ilkka Koskinen <ilkka@...amperecomputing.com>
To:     Jonathan Corbet <corbet@....net>, Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Besar Wicaksono <bwicaksono@...dia.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Robin Murphy <robin.murphy@....com>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Ilkka Koskinen <ilkka@...amperecomputing.com>
Subject: [PATCH v3 0/4] perf: ampere: Add support for Ampere SoC PMUs

Changes since v2:
    * Changed to use supports_64bits_atomics() and replaced the split writes
      with lo_hi_writeq()
    * Added implementation specific group validation to patch 3
    * Dropped shared interrupt patch
    * Removed unnecessary filter_enable parameter from ampere module
    * Added group validation to ampere module

Changes since v1:
    * Rather than creating a completely new driver, implemented as a submodule
      of Arm CoreSight PMU driver
    * Fixed shared filter handling


Ilkka Koskinen (4):
  perf: arm_cspmu: Split 64-bit write to 32-bit writes
  perf: arm_cspmu: Support implementation specific filters
  perf: arm_cspmu: Support implementation specific validation
  perf: arm_cspmu: ampere_cspmu: Add support for Ampere SoC PMU

 .../admin-guide/perf/ampere_cspmu.rst         |  29 +++
 drivers/perf/arm_cspmu/Makefile               |   2 +-
 drivers/perf/arm_cspmu/ampere_cspmu.c         | 243 ++++++++++++++++++
 drivers/perf/arm_cspmu/ampere_cspmu.h         |  17 ++
 drivers/perf/arm_cspmu/arm_cspmu.c            |  33 ++-
 drivers/perf/arm_cspmu/arm_cspmu.h            |   8 +
 6 files changed, 327 insertions(+), 5 deletions(-)
 create mode 100644 Documentation/admin-guide/perf/ampere_cspmu.rst
 create mode 100644 drivers/perf/arm_cspmu/ampere_cspmu.c
 create mode 100644 drivers/perf/arm_cspmu/ampere_cspmu.h

-- 
2.40.1