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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