Messages in this thread | | | Date | Mon, 25 Aug 2014 11:37:40 +1000 | From | David Gibson <> | Subject | Re: [RFC 4/4] tuntap: Increase the number of queues in tun |
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On Mon, 18 Aug 2014 19:07:20 +0530 Pankaj Gupta <pagupta@redhat.com> wrote:
> Networking under kvm works best if we allocate a per-vCPU RX and TX > queue in a virtual NIC. This requires a per-vCPU queue on the host side. > > It is now safe to increase the maximum number of queues. > Preceding patches: > net: allow large number of rx queues > tuntap: Reduce the size of tun_struct by using flex array > tuntap: Publish tuntap max queue length as module_param > > made sure this won't cause failures due to high order memory > allocations. Increase it to 256: this is the max number of vCPUs > KVM supports. > > Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
Reviewed-by: David Gibson <dgibson@redhat.com>
-- David Gibson <dgibson@redhat.com> [unhandled content-type:application/pgp-signature] | |