** Changed in: ubuntu-z-systems
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1836857
Title:
[18.04 FEAT] Enhanced hardware support
Status in Ubuntu on IBM z Systems:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Disco:
Fix Released
Bug description:
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
__________
Feature request to apply this to Ubuntu 18.04 in support of new
machine.
Summary: kernel: report new CPU capabilities
Description: Add hardware capability bits and features tags to /proc/cpuinfo
for 4 new CPU features: the "Vector-Enhancements Facility 2",
the "Vector-Packed-Decimal-Enhancement Facility", the
"Enhanced-Sort Facility" and the "Deflate-Conversion Facility"
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