tree 8bde5a2cf9e108bc654ef84db8d7acccae8981a8
parent 3b89624ab54b9dc2d92fc08ce2670e5f19ad8ec8
author Malcolm Crossley <malcolm.crossley@citrix.com> 1453828364 +0000
committer David S. Miller <davem@davemloft.net> 1454026135 -0800

xen-netfront: request Tx response events more often

Trying to batch Tx response events results in poor performance because
this delays freeing the transmitted skbs.

Instead use the standard RING_FINAL_CHECK_FOR_RESPONSES() macro to be
notified once the next Tx response is placed on the ring.

Signed-off-by: Malcolm Crossley <malcolm.crossley@citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>