kernel-packages team mailing list archive

[Tim Gardner <tim.gardner@xxxxxxxxxxxxx>]

https://lists.ubuntu.com/archives/kernel-team/2016-June/078435.html

** Also affects: linux (Ubuntu Yakkety)
   Importance: Undecided
     Assignee: Taco Screen team (taco-screen-team)
       Status: New

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

** Changed in: linux (Ubuntu Yakkety)
     Assignee: Taco Screen team (taco-screen-team) => (unassigned)

** Changed in: linux (Ubuntu Yakkety)
       Status: New => Fix Released

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

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

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https://bugs.launchpad.net/bugs/1592809

Title:
  Restore irqfd fast path for PPC

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  In Progress
Status in linux source package in Yakkety:
  Fix Released

Bug description:
  Dear Canonical,

  A patch is now upstream to restore the irqfd fast path for Power, can
  this be pulled into a 16.04.1? It was found to significantly help
  guest small msg rate networking performance by ~30%.

  Commit id:
  b1a4286b8f3393857a205ec89607683161b75f90

    KVM: PPC: Book3S HV: Re-enable XICS fast path for irqfd-generated
  interrupts

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