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From:   Robin Murphy <robin.murphy@arm.com>
To:     will.deacon@arm.com, mark.rutland@arm.com
Cc:     linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        suzuki.poulose@arm.com, peterz@infradead.org, tglx@linutronix.de,
        bigeasy@linutronix.de
Subject: [PATCH 0/5] Fix Arm system PMU hotplug issues
Date:   Mon,  4 Feb 2019 17:09:03 +0000
Message-Id: <cover.1549299188.git.robin.murphy@arm.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi all,

Following the report of a preemption-related bug in arm-cci, it turns
out there's a fair bit of cleaning up to do in this area. I've started
here with the Arm drivers that I'm fairly familiar with - I suspect the
hisi/qcom/xgene ones suffer from similar issues, but it's going to take
me a while longer to figure them out in detail.

Robin.


Robin Murphy (5):
  perf/arm-cci: Fix CPU hotplug race avoidance
  cpu/hotplug: Export __cpuhp_state_add_instance_cpuslocked()
  perf/arm-ccn: Fix CPU hotplug race avoidance
  cpu/hotplug: Add locked variant of cpuhp_state_add_instance()
  perf/arm_dsu: Fix CPU hotplug races

 drivers/perf/arm-cci.c     | 22 ++++++++++++----------
 drivers/perf/arm-ccn.c     | 25 +++++++++++++------------
 drivers/perf/arm_dsu_pmu.c |  8 +++++---
 include/linux/cpuhotplug.h |  6 ++++++
 kernel/cpu.c               |  1 +
 5 files changed, 37 insertions(+), 25 deletions(-)

-- 
2.20.1.dirty