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authorArnd Bergmann <arnd@arndb.de>2010-09-11 19:56:45 +0200
committerArnd Bergmann <arnd@arndb.de>2010-10-19 11:29:56 +0200
commit72024f1ec5164a70d84dd8cf4458fe4064a6b692 (patch)
treefb0848c2bb91af16f46e2fca8de55675f9b1e3d2 /drivers/usb/serial/usb-wwan.h
parentdvb/bt8xx: kill the big kernel lock (diff)
downloadlinux-72024f1ec5164a70d84dd8cf4458fe4064a6b692.tar.xz
linux-72024f1ec5164a70d84dd8cf4458fe4064a6b692.zip
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
Diffstat (limited to 'drivers/usb/serial/usb-wwan.h')
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