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2008-06-20ans-lcd: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-06-20agp-frontend: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-06-20bkl-removal viotape fixupStephen Rothwell
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20Add a bunch of cycle_kernel_lock() callsJonathan Corbet
All of the open() functions which don't need the BKL on their face may still depend on its acquisition to serialize opens against driver initialization. So make those functions acquire then release the BKL to be on the safe side. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20videodev: BKL pushdownJonathan Corbet
Put explicit lock_kernel() calls into videodev_open(). That function itself seems OK, but one never knows about all the open() functions provided by underlying video drivers. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20usbdev: BKL pushdownJonathan Corbet
Add explicit lock_kernel() calls to usbdev_open() Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20USB Monitor: BKL pushdownJonathan Corbet
Add explicit lock_kernel() calls to mon_bin_open() Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20printer gadget: BKL pushdownJonathan Corbet
Add explicit lock_kernel() calls to printer_open() Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20adb: BKL pushdownJonathan Corbet
Put explicit lock_kernel() calls in adb_open(). The fact that adb_release() already has them suggests this is necessary. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20divamnt: BKL pushdownJonathan Corbet
Put explicit lock_kernel() calls into maint_open(). Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20CAPI: BKL pushdownJonathan Corbet
Put explicit lock_kernel() calls into capi_open() Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20changer: BKL pushdownJonathan Corbet
Add lock_kernel() calls to ch_open(), though the existing locking looks adequate. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20dpt_i20: BKL pushdownJonathan Corbet
Add lock_kernel() calls to adpt_open() Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20videopix: BKL pushdownJonathan Corbet
Add explicit lock_kernel() calls to vfc_open(). Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20bpp: bkl pushdownJonathan Corbet
Put explicit lock_kernel() calls into bpp_open(). It has locking, but I'm not convinced it won't race with ioctl(). Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20phantom: BKL pushdownJonathan Corbet
Add explicit lock_kernel calls to phantom_open(). Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20infiniband: more BKL pushdownJonathan Corbet
Be extra-cautious and protect the remaining open() functions. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20dsp56k: BKL pushdownJonathan Corbet
Put explicit lock_kernel calls into dsp56k_open(). [Stupid missing label error fixed] Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20raw: BKL pushdownJonathan Corbet
Put explicit lock_kernel() calls into raw_open(), even though the existing locking looks adequate. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20tlckl: BKL pushdownJonathan Corbet
Put explicit lock_kernel calls into tlclk_open() Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20xilinx icap: BKL pushdownJonathan Corbet
Add explicit lock_kernel() calls to hwicap_open() even though the existing locking looks adequate. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20vcs: BKL pushdownJonathan Corbet
Add explicit BKL to vcs_open(). Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20spidev: BKL pushdownJonathan Corbet
Add the BKL to spidev_open(), even though the existing locking looks adequate. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20Add "no BKL needed" comments to several driversJonathan Corbet
This documents the fact that somebody looked at the relevant open() functions and concluded that, due to their trivial nature, no locking was needed. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20tty: cdev lock_kernel() pushdownJonathan Corbet
Parts of the serial code actually BUG() if we don't do this.
2008-06-20snsc: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20fbmem: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20dvb: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20usbcore: cdev lock_kernel() pushdownJonathan Corbet
usb_open() is protected by a down_read(&minor_rwsem), but I'm not sure I trust it to protect everything including subsidiary open() functions. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20isdn: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20gdth: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20st: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20aacraid: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20osst: cdev lock_kernel() pushdown.Jonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20sg: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20ide-tape: cdev lock_kernel() pushdownJonathan Corbet
->release() already has explicit lock_kernel() calls... Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20phonedev: cdev lock_kernel() pushdownJonathan Corbet
phone_open() looks OK, but I don't trust the subsidiary drivers (and ixj in particular). Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20drm: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20lp: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20mbcs: cdev lock_kernel() pushdownJonathan Corbet
This driver would appear to have no internal locking at all. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20viotape: cdev lock_kernel pushdown ()Jonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20misc: cdev lock_kernel() pushdownJonathan Corbet
misc_open() looks fine, but who knows what all of the misc drivers are doing in their open() functions? Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20mem: cdev lock_kernel() pushdownJonathan Corbet
It's really hard to tell if this is necessary - lots of weird magic happens by way of map_devmem() Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20ipmi: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20UIO: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20Input: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20HID: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20UBI: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20mtdchar: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-20paride: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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