[Bug 1612224] Comment bridged from LTC Bugzilla

[bugproxy]

kernel 4.8: Add support for the additional scheduling layer within the
kernel and util-linux.

015cd867e566e3a27b5e8062eb24eeaa4d77297f

CONFIG_SCHED_DRAWER=y

v4.8 is in yakkety-proposed, currently under validation.

New upstream release of util-linux with additional drawer patches is not
available yet.

>From git, it appears that the following patches are required:

$ git log --oneline f88eeb25f2eb89fdbd35a9dfbaa26e234a3b0e14..81a307bd4d906815dad7b6b3c355f663907a68c4
81a307b lscpu: make lookup_cache() more robust
bfbe985 lscpu: fix MMHZ column entry within man page
8eb9604 lscpu: update s390-lpar-drawer testcase
28b1658 lscpu: show additional caches (s390)
0c28f0c lscpu: show machine type (s390)
4632b28 lscpu: show static and dynamic MHz (s390)
156740c lscpu: fix typo in summary output
08fb47a lscpu: add s390 drawer testcase
b3adf6e lscpu: add drawer support

To add support for drawer listings. I shall check if these are trivially cherrypicable or not.
Change target to 17.04 where util-linux 2.29 is already included. Which completes the funtionallity

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https://bugs.launchpad.net/bugs/1612224

Title:
  [17.04 FEAT] Extend cpu topology to support drawers

Status in Ubuntu on IBM z Systems:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in util-linux package in Ubuntu:
  Fix Released

Bug description:
  kernel 4.8: Add support for the additional scheduling layer within the
  kernel and util-linux.

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