K 10
svn:author
V 9
vmaffione
K 8
svn:date
V 27
2020-06-10T20:05:07.671815Z
K 7
svn:log
V 285
MFC r361759

netmap: vtnet: fix race condition in rxsync

This change prevents a race that happens when rxsync dequeues
N-1 rx packets (with N being the size of the netmap rx ring).
In this situation, the loop exits without re-enabling the
rx interrupts, thus causing the VQ to stall.

END