On 07/26/2017 09:57 AM, Daniel P. Berrange wrote:
On Wed, Jul 26, 2017 at 09:50:23AM -0400, Jay Pipes wrote:
On 07/26/2017 03:06 AM, TETSURO NAKAMURA wrote:
Hi Nova team,
It has been quite a long time since the last discussion,
but let me make sure one thing about the thread below.
IIUC, Nova is not welcome ivshmem support because it is no longer
supported by DPDK+QEMU.
But how would you say if it is supported out of DPDK-tree and can be
used from the newest qemu version ?
We are now developing SPP, a DPDK-based vswitch, and thinking about
trying to implement ivshmem support under our SPP code tree if nova (or
at first libvirt community) is acceptable for ivshmem configuration.
Your advice will be very helpful for our decision-making in our project.
I think this is a question that the libvirt community would first need to
weigh in on since Nova is downstream from libvirt -- at least in the sense
of low-level hypervisor support.
Libvirt already supports ivshmem device config
http://libvirt.org/formatdomain.html#elementsShmem
Sorry, I suppose I should have said QEMU, not libvirt. Daniel, you were
the one that specifically discouraged doing anything on ivshmem to Tetsuro:
http://lists.openstack.org/pipermail/openstack-dev/2017-July/120136.html
Best,
-jay
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