netdev - [RFC] net: napi fix

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Date:	Tue, 11 Dec 2007 21:46:34 -0800
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	"Joonwoo Park" <joonwpark81@...il.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <jgarzik@...ox.com>,
	<baum@...utinetworks.net>, <andy@...yhouse.net>
Subject: [RFC] net: napi fix

Isn't this a better fix for all drivers, rather than peppering every
driver with the special case. This is how the logic worked up until
2.6.24.


--- a/net/core/dev.c	2007-12-11 12:16:20.000000000 -0800
+++ b/net/core/dev.c	2007-12-11 21:43:39.000000000 -0800
@@ -2184,7 +2184,7 @@ static void net_rx_action(struct softirq
 
 		have = netpoll_poll_lock(n);
 
-		weight = n->weight;
+		weight = min(n->weight, budget);
 
 		/* This NAPI_STATE_SCHED test is for avoiding a race
 		 * with netpoll's poll_napi().  Only the entity which
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