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[Bug 1592809] Re: Restore irqfd fast path for PPC
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
xenial' to 'verification-done-xenial'.
If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!
** Tags added: verification-needed-xenial
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Restore irqfd fast path for PPC
Status in linux package in Ubuntu:
Status in linux source package in Xenial:
Status in linux source package in Yakkety:
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%.
KVM: PPC: Book3S HV: Re-enable XICS fast path for irqfd-generated
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