netpoll: Warn if more packets are processed than are budgeted
authorEric W. Biederman <ebiederm@xmission.com>
Sat, 15 Mar 2014 03:47:15 +0000 (20:47 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 17 Mar 2014 19:47:22 +0000 (15:47 -0400)
commite97dc3fcf98a32a5eda1e942a36044b95bc58099
tree871bfc6c4394a8aaad8b28ac4243a8e417307d99
parenteb8143b469e5e11e05487648d27e176e907fec1f
netpoll: Warn if more packets are processed than are budgeted

There is already a warning for this case in the normal netpoll path,
but put a copy here in case how netpoll calls the poll functions
causes a differenet result.

netpoll will shortly call the napi poll routine with a budget 0 to
avoid any rx packets being processed.  As nothing does that today
we may encounter drivers that have problems so a netpoll specific
warning seems desirable.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/netpoll.c