From: Eric Dumazet <edumazet@google.com>
Date: Wed, 3 Oct 2012 23:18:39 +0000 (+0000)
Subject: team: set qdisc_tx_busylock to avoid LOCKDEP splat
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~11^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b3c581d5d7130fc7f2eab9ab14c8de8882b42380;p=pandora-kernel.git

team: set qdisc_tx_busylock to avoid LOCKDEP splat

If a qdisc is installed on a team device, its possible to get
a lockdep splat under stress, because nested dev_queue_xmit() can
lock busylock a second time (on a different device, so its a false
positive)

Avoid this problem using a distinct lock_class_key for team
devices.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jiri Pirko <jpirko@redhat.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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