Currently xen vnic allowed to create lots of queues by set module param max_queues(both netback and netfront), when queues number larger than cpu number, it does not help for performance but need more cpu time.
This patchset limit netback and netfront max queues number to online cpus number. Joe Jin (2): xen-netback: limit xen vif max queues number to online cpus xen-front: limit vnic max_queues number to online cpus drivers/net/xen-netback/netback.c | 28 ++++++++++++++++++++++------ drivers/net/xen-netfront.c | 27 +++++++++++++++++++++------ 2 files changed, 43 insertions(+), 12 deletions(-) _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
