group.of.nepali.translators team mailing list archive

[Tim Gardner <tim.gardner@xxxxxxxxxxxxx>]

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: Confirmed

** Also affects: linux (Ubuntu Wily)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Wily)
       Status: New => In Progress

** Changed in: linux (Ubuntu Wily)
     Assignee: (unassigned) => Tim Gardner (timg-tpi)

** Changed in: linux (Ubuntu Xenial)
       Status: Confirmed => Fix Committed

** Changed in: linux (Ubuntu Xenial)
     Assignee: (unassigned) => Tim Gardner (timg-tpi)

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https://bugs.launchpad.net/bugs/1545542

Title:
  Enable arm64 emulation of removed ARMv7 instructions

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Wily:
  In Progress
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  Linux now supports emulation of three deprecated ARMv7 features that
  were removed from ARMv8: SWP(B), CP15ISB/DSB/DMB, and SETEND. At least
  CP15DMB is used by some armhf archive binaries (notably pandoc), so we
  need emulation enabled on the kernels that scalingstack uses.

  I haven't checked which version added which, but they appeared some
  time between 3.13 and 4.2, and I only care about 4.2 onwards. So
  please enable ARMV8_DEPRECATED, SWP_EMULATION, CP15_BARRIER_EMULATION
  and SETEND_EMULATION in arm64 kernels for wily onwards.

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