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[Dimitri John Ledkov <launchpad@xxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1557690 ***
    https://bugs.launchpad.net/bugs/1557690

** This bug has been marked a duplicate of bug 1557690
   s390/kconfig: CONFIG_NUMA without CONFIG_NUMA_EMU does not make any sense on s390x

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https://bugs.launchpad.net/bugs/1661620

Title:
  CONFIG_NUMA is missing from the 4.8 kernels on s390x

Status in Ubuntu on IBM z Systems:
  Triaged
Status in linux package in Ubuntu:
  Invalid
Status in linux-hwe-edge package in Ubuntu:
  Invalid
Status in linux source package in Xenial:
  Invalid
Status in linux-hwe-edge source package in Xenial:
  Triaged
Status in linux source package in Yakkety:
  Triaged
Status in linux-hwe-edge source package in Yakkety:
  Invalid

Bug description:
  CONFIG_NUMA is not set in the 4.8 kernels (16.10 & linux-edge) when it
  should have been, on s390x.

  It is set in 4.4 (xenial) and 4.9 (zesty).

  This is regression of
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1557690

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1557690

  $ grep CONFIG_NUMA -r linux-4.*/debian.master/config/s390x/config.common.s390x
  linux-4.4.0/debian.master/config/s390x/config.common.s390x:CONFIG_NUMA=y
  linux-4.4.0/debian.master/config/s390x/config.common.s390x:# CONFIG_NUMA_BALANCING_DEFAULT_ENABLED is not set
  linux-4.4.0/debian.master/config/s390x/config.common.s390x:CONFIG_NUMA_EMU=y
  linux-4.8.0/debian.master/config/s390x/config.common.s390x:# CONFIG_NUMA is not set
  linux-4.9.0/debian.master/config/s390x/config.common.s390x:CONFIG_NUMA=y
  linux-4.9.0/debian.master/config/s390x/config.common.s390x:CONFIG_NUMA_BALANCING=y
  linux-4.9.0/debian.master/config/s390x/config.common.s390x:# CONFIG_NUMA_BALANCING_DEFAULT_ENABLED is not set
  linux-4.9.0/debian.master/config/s390x/config.common.s390x:CONFIG_NUMA_EMU=y

  This is a release regression and linux-edge regression.

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