[Bug 2019856] Re: Add missing ARM-cores to support Grace-based systems

[Mauricio Faria de Oliveira]

Hey Heather, thanks for the updated debdiffs!

I've looked at them, and did minor fixes to DEP3
(moved them out of the original commit message, 
after `---`, and added Origin: fields), and just
a cosmetic adjustment to the changelog.

It turns out this patch isn't present in Mantic.
I already handled the debdiff/tests; don't worry.
I'll look for a sponsor for the devel release,
and handle the stable releases/SRUs afterward.

I marked Kinetic as won't fix, as it's not needed
and close to EOL anyway.

  $ ubuntu-distro-info --series=kinetic --days=eol
  58

I removed the verification tags you added? 
They are added automatically by the SRU machinery
when the packages land in -proposed for testing.

cheers,
Mauricio

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https://bugs.launchpad.net/bugs/2019856

Title:
  Add missing ARM-cores to support Grace-based systems

Status in util-linux package in Ubuntu:
  In Progress
Status in util-linux source package in Jammy:
  In Progress
Status in util-linux source package in Kinetic:
  Won't Fix
Status in util-linux source package in Lunar:
  In Progress
Status in util-linux source package in Mantic:
  In Progress

Bug description:
  [Impact]

  When running "lscpu" on a Grace-based system + Ubuntu 22.04, it
  doesn't report a model name:

  Vendor ID: ARM
  Model: 0

  [Fix]

  Adding the additional arm_part to sys-utils/lscpu-arm.c solves the
  problem. The commit below adds the specific codes missing from Jammy's
  version.

  https://github.com/util-linux/util-
  linux/commit/6857cccbb4157d5da34ca98f77a0ac9d68e1e740

  [Test Steps]

  * Verify whether output of lscpu is correct on new CPUs; eg:
  Vendor ID: ARM
  Model name: Neoverse-V2

  * Verify whether output of lscpu doesn't change on old CPUs; eg:
  Vendor ID: ARM
  Model name: Neoverse-N1

  [What Could Go Wrong]

  The fix only introduces additional model identifiers to match
  against and print a model name string, thus regression impact
  should be contained within lscpu and printing cpus model name
  on ARM systems. 

  Output doesn't change on systems with non-affected CPU models.

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