ACK/Cmnt: [SRU][B][D][Patch 0/2] Enhanced CPU-MF hardware counters - kernel part (LP: 1836860)

[Stefan Bader]

On 24.07.19 18:30, frank.heimes at canonical.com wrote:
> Buglink: https://bugs.launchpad.net/bugs/1836860
> 
> SRU Justification:
> 
> [Impact]
> 
> * Enhanced CPU-MF hardware counters - fix lack of support of new hardware
> 
> [Fix]
> 
> * 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
> 
> Thomas Richter (2):
>   From: Thomas Richter <tmricht at linux.ibm.com>
>   From: Thomas Richter <tmricht at linux.ibm.com>
> 
>  arch/s390/kernel/perf_cpum_cf.c        |  15 +++--
>  arch/s390/kernel/perf_cpum_cf_events.c | 109 +++++++++++++++++++++++----------
>  2 files changed, 86 insertions(+), 38 deletions(-)
> 
The series you request, nominate for you should.

Acked-by: Stefan Bader <stefan.bader at canonical.com>

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