[Bug 1563784] Re: S390: glibc should not be configured with lock elision.

[Dimitri John Ledkov]

hwup is racy, when compared with chzdev udev-rules.
specifically since the wait_for_sysfs key has been removed from udev, the current hwup doesn't wait for the complete group to be available before attempting to activate it. And it doesn't attempt to do so again.

I would like to do following
1) change installer to generate chzdev based configs only
2) upgrade existing users of hwup configs to chzdev configs, on best effort basis
3) drop sysconfig-hardware package (install time runtime) from the archive and default installations

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Title:
  S390: glibc should not be configured with lock elision.

Status in glibc package in Ubuntu:
  Incomplete

Bug description:
  == Comment: #0 - Stefan Liebler <STLI at de.ibm.com> - 2016-03-30 03:11:44 ==
  Hi,

  The current glibc for s390 is configured with --enable-lock-elision.
  This could lead to an overall performance regression compared to locks without transactions.
  Please disable lock-elsion for s390.

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