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

Dimitri John Ledkov launchpad at surgut.co.uk
Tue Apr 12 14:26:02 UTC 2016


** Also affects: glibc (Ubuntu Y-series)
   Importance: Undecided
       Status: New

** Also affects: glibc (Ubuntu Xenial)
   Importance: Wishlist
     Assignee: Adam Conrad (adconrad)
       Status: Incomplete

** Changed in: glibc (Ubuntu Xenial)
       Status: Incomplete => Opinion

** Changed in: glibc (Ubuntu Y-series)
       Status: New => Opinion

** Changed in: glibc (Ubuntu Y-series)
   Importance: Undecided => Wishlist

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https://bugs.launchpad.net/bugs/1563784

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

Status in Ubuntu on IBM z Systems:
  Incomplete
Status in glibc package in Ubuntu:
  Opinion
Status in glibc source package in Xenial:
  Opinion
Status in glibc source package in y-series:
  Opinion

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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