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(parent: 0a5f1d4) | patch
i4l: kill big kernel lock
authorArnd Bergmann <arnd@arndb.de>
Tue, 14 Sep 2010 09:35:04 +0000 (09:35 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 16 Sep 2010 02:29:55 +0000 (19:29 -0700)
commit72250d44bc76d3d7fa9253aeeb063a467e2458fa
tree55e926467b3bc7a50e213c357e295225457072fftree | snapshot (tar.gz zip)
parent0a5f1d476aef43916abb2b8634ebff23ef2c05f6commit | diff
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>
drivers/isdn/i4l/isdn_tty.c diff | blob | blame | history