On Tue, Jan 10, 2017 at 02:32:50PM +0100, Juergen Gross wrote: > The Xen network frontend/backend supports multiple tx/rx queues for one > virtual interface. The number of queues supported by the backend is > set to the number of cpus of the backend driver domain (usually dom0) > and the number of queues requested by the frontend is limited by the > number of vcpus of the related guest. > > On large systems this can lead to ridiculous large number of queues > exhausting the required number of grant pages rather quick. > > To avoid this limit the default maximum on both sides to 8. Both > frontend and backend maximum can be individually tuned via module > parameters. > > Juergen Gross (2): > xen/netfront: set default upper limit of tx/rx queues to 8 > xen/netback: set default upper limit of tx/rx queues to 8 >
Acked-by: Wei Liu <wei.l...@citrix.com>
