From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 1 Nov 2009 19:42:09 +0000 (+0000)
Subject: net: RCU locking for simple ioctl()
X-Git-Tag: v2.6.33-rc1~388^2~564
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3710becf8a58a5c6c4e797e3a3c968c161abdb41;p=pandora-kernel.git

net: RCU locking for simple ioctl()

All ioctls() implemented by dev_ifsioc_locked() :
SIOCGIFFLAGS, SIOCGIFMETRIC, SIOCGIFMTU, SIOCGIFHWADDR,
SIOCGIFSLAVE, SIOCGIFMAP, SIOCGIFINDEX & SIOCGIFTXQLEN
can use RCU lock instead of dev_base_lock rwlock

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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