From: Eric Dumazet <edumazet@google.com>
Date: Sun, 10 Jun 2012 21:11:57 +0000 (+0000)
Subject: dummy: fix rcu_sched self-detected stalls
X-Git-Tag: v3.2.23~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4b58f97eb86a82393d6dce799c265db93a99a50;p=pandora-kernel.git

dummy: fix rcu_sched self-detected stalls

[ Upstream commit 16b0dc29c1af9df341428f4c49ada4f626258082 ]

Trying to "modprobe dummy numdummies=30000" triggers :

INFO: rcu_sched self-detected stall on CPU { 8} (t=60000 jiffies)

After this splat, RTNL is locked and reboot is needed.

We must call cond_resched() to avoid this, even holding RTNL.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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