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** Tags added: verification-needed-bionic

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  [18.04 FEAT] Enhanced CPU-MF hardware counters - kernel part

Status in Ubuntu on IBM z Systems:
  Fix Committed
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Bionic:
  Fix Committed
Status in linux source package in Disco:
  Fix Committed

Bug description:
  SRU Justification:


  * Enhanced CPU-MF hardware counters - fix lack of support of new


  * 46a984ffb86c8542fa510656fa8cb33befe8ee8f 46a984ff "s390/cpum_cf: Add
  support for CPU-MF SVN 6"

  * 820bace734722715c643dcb5f74b502cb912d4eb 820bace "s390/cpumf: Add
  extended counter set definitions for model 8561 and 8562"

  [Test Case]

  * try CPU-Measurement Facility counter on z14 and next generation
  hardware - only IBM can do that now

  [Regression Potential]

  * The regression potential can be considered as low since these
  changes are limited to arch/s390

  * do only touch perf_* code

  * and mainly add code (rather than modify or remove)

  [Other Info]

  * first commit is taken from 5.2, second from 5.3-rc1

  Enhance the CPU-MF hardware counters for improved HW support . Kernel
  5.2 commits and kernel 5.3 patch on top

  Already requested for Ubuntu 19.10
  kernel 5.2
  kernel 5.3 fix

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