kernel-packages team mailing list archive

[Adam Conrad <adconrad@xxxxxxx>]

Note that this commit appears to have accidentally flipped powerpc from
NATIVE to GEN.  That should probably be fixed in a followup.

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https://bugs.launchpad.net/bugs/1450497

Title:
  Enable CONFIG_VIRT_CPU_ACCOUNTING_NATIVE for ppc64el

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Utopic:
  Fix Committed

Bug description:
  [Impact]
  I would like to ask to set  CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y on ppc64el kernel config in 3.16 kernel (14.10 and/or 14.04.2) to provide %steal number properly reported.

  Historically, it was enabled, became disabled and later enabled again:

  Ubuntu 14.04:
  # cat /boot/config-3.13.0-24-generic | grep VIRT_CPU
  CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y

  Ubuntu 14.10:
  # cat /boot/config-3.16.0-23-generic | grep VIRT_CPU
  # CONFIG_VIRT_CPU_ACCOUNTING_NATIVE is not set

  Ubuntu 15.04:
  # cat /boot/config-3.19.0-12-generic | grep VIRT_CPU
  CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y

  [Test Case]
  Run VM and ensure %steal is reported properly.

  [Fix]
  CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y in config.

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