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Fix Arm system PMU hotplug issues

Robin Murphy linux-arm-kernel lkml 3 versions – In review

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b4 am [email protected]

Versions newest first · linked by author and title

  1. v3 Latest2 patches 2 repliesIn review
  2. v22 patches 3 repliesSuperseded
  3. v15 patches 8 repliesSuperseded

Patches in v3 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2perf/arm-cci: Remove broken race mitigationdrivers/perf/arm-cci.c+12 -90 replies
2/2perf/arm-ccn: Clean up CPU hotplug handlingdrivers/perf/arm-ccn.c+13 -122 replies

Reviews trailers per patch

All 2 patches have a Reviewed-by or Acked-by.

PatchCorentin LabbeSuzuki K Poulose
1/2T-b R-b
2/2R-b

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.

Read the v3 thread

Cover letter [PATCH v3 0/2] Fix Arm system PMU hotplug issues

Hi all,

After a converstaion with Thomas a while back, it felt like the best way forward here is just to resolve the pressing preemption violation, and not make things more complicated by trying to manage theoretical races within perf core from a distance.

v3: Improve cleanup in failure paths [Suzuki]

Robin.

Robin Murphy (2):
perf/arm-cci: Remove broken race mitigation
perf/arm-ccn: Clean up CPU hotplug handling

 drivers/perf/arm-cci.c | 21 ++++++++++++---------
 drivers/perf/arm-ccn.c | 25 +++++++++++++------------
 2 files changed, 25 insertions(+), 21 deletions(-)
Signature · 1 line
2.21.0.dirty