From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 14 Sep 2010 09:35:04 +0000 (+0000)
Subject: i4l: kill big kernel lock
X-Git-Tag: v2.6.37-rc1~147^2~435
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=72250d44bc76d3d7fa9253aeeb063a467e2458fa;p=pandora-kernel.git

i4l: kill big kernel lock

The isdn4linux driver uses the big kernel lock only
to serialize access to a few fields in its own
modem_info structure.

The easiest replacement is a driver-wide mutex.
More fine-grained locking would be more appropriate
here, but likely harder to implement.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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