From: Florian Westphal <fw@strlen.de>
Date: Mon, 20 Aug 2007 23:33:42 +0000 (+0200)
Subject: DM9000: fix interface hang under load
X-Git-Tag: v2.6.23-rc4~15^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c46ac9463fbdee41723dd9fd108b2c1ffd30615f;p=pandora-kernel.git

DM9000: fix interface hang under load

When transferring data at full speed, the DM9000 network interface
sometimes stops sending/receiving data. Worse, ksoftirqd consumes
100% cpu and the net tx watchdog never triggers.
Fix by spin_lock_irqsave() in dm9000_start_xmit() to prevent the
interrupt handler from interfering.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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