tree 276d881f00468e72061052c7f045bb18360ff1b1
parent 634c6931637093f012df56d489e0b2f7735c235f
author Arnd Bergmann <arnd@arndb.de> 1284492907 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> 1287630371 -0200

V4L/DVB: 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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>