[Bug 1759152] Re: Spectre related Compiler updates

[Frank Heimes]

** Package changed: linux (Ubuntu) => gcc-defaults (Ubuntu)

** Also affects: ubuntu-z-systems
   Importance: Undecided
       Status: New

** Changed in: ubuntu-z-systems
       Status: New => Triaged

** Changed in: ubuntu-z-systems
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1759152

Title:
  Spectre related Compiler updates

Status in Ubuntu on IBM z Systems:
  Triaged
Status in gcc-defaults package in Ubuntu:
  New

Bug description:
  This is a backport of the parts relevant for the Linux kernel build.
  It does not include inline thunks and function attributes.

  The patch has been tested with the 5.4.0-6ubuntu1~16.04.9 GCC package
  from Ubuntu 16.04.04. There are no testsuite regressions.

  The related upstream revision is: r257489 (Spectre #2 mitigation)

  The bugfix r257522 is NOT relevant for the GCC 5 backport since it was
  a problem related to the function attributes.

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