ACK: [SRU][B][D][Patch 0/2] Enhanced hardware support (LP: 1836857)

Connor Kuehl connor.kuehl at canonical.com
Thu Aug 8 17:46:20 UTC 2019


On 7/22/19 11:24 AM, frank.heimes at canonical.com wrote:
> Buglink: https://bugs.launchpad.net/bugs/1836857
> 
> SRU Justification:
> 
> [Impact]
> 
> * Enhanced hardware support for upcoming machine and make sure it can report new CPU capabilities
> 
> [Fix]
> 
> * a8fd61688dfad6fdce95fa64cacd8a66595697b8 a8fd616 "s390: report new CPU capabilities"
> 
> * 142c52d7bce45d335f48d53fdbf428bb15cf3924 142c52d "s390: add alignment hints to vector load and store"
> 
> [Test Case]
> 
> * check /proc/cpuinfo in bionic running on upcoming machine - currently only IBM can do that
> 
> [Regression Potential] 
> 
> * The regression potential can be considered as very low since these changes are limited to arch/s390
> 
> * and mainly adds code for the capability to report new features in cpuinfo - in case of running on new hardware
> 
> [Other Info]
> 
> * a8fd616 got upstream accepted with 5.2; 142c52d with 5.1 - hence both are already in eoan
> 
> Martin Schwidefsky (2):
>   From: Martin Schwidefsky <schwidefsky at de.ibm.com>
>   From: Martin Schwidefsky <schwidefsky at de.ibm.com>
> 
>  arch/s390/include/asm/elf.h     | 4 ++++
>  arch/s390/include/asm/vx-insn.h | 8 ++++----
>  arch/s390/kernel/processor.c    | 3 ++-
>  arch/s390/kernel/setup.c        | 8 ++++++++
>  4 files changed, 18 insertions(+), 5 deletions(-)
> 

Acked-by: Connor Kuehl <connor.kuehl at canonical.com>




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