tree fb0848c2bb91af16f46e2fca8de55675f9b1e3d2
parent adfedd216d9f0bc3f5bfa8aab42932301d4edc31
author Arnd Bergmann <arnd@arndb.de> 1284227805 +0200
committer Arnd Bergmann <arnd@arndb.de> 1287480596 +0200

dvb-core: kill the big kernel lock

The dvb core only uses the big kernel lock in the open
and ioctl functions, which means it can be replaced with
a dvb specific mutex. Fortunately, all the ioctl functions
go through dvb_usercopy, so we can move the serialization
in there.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: linux-media@vger.kernel.org