Message	SHA1
tty: Revert the tty locking series, it needs more work ... This reverts the tty layer change to use per-tty locking, because it's not correct yet, and fixing it will require some more deep surgery. The main revert is d29f3ef39b ("tty_lock: Localise the lock"), but there are several smaller commits that built upon it, they also get reverted here. The list of reverted commits is: fde86d3108 - tty: add lockdep annotations 8f6576ad47 - tty: fix ldisc lock inversion trace d3ca8b64b9 - pty: Fix lock inversion b1d679afd7 - tty: drop the pty lock during hangup abcefe5fc3 - tty/amiserial: Add missing argument for tty_unlock() fd11b42e35 - cris: fix missing tty arg in wait_event_interruptible_tty call d29f3ef39b - tty_lock: Localise the lock The revert had a trivial conflict in the 68360serial.c staging driver that got removed in the meantime. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Linus Torvalds   commited 2012-06-02 15:21:43 -07:00	f309532bf3
tty: add lockdep annotations ... tty_lock_pair() do the right thing to avoid deadlocks, but should instruct LOCKDEP of this to avoid a splat. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Eric Dumazet   authored and   Linus Torvalds   commited 2012-05-31 11:59:41 -07:00	fde86d3108
tty_lock: Localise the lock ... In each remaining case the tty_lock is associated with a specific tty. This means we can now lock on a per tty basis. We do need tty_lock_pair() for the pty case. Uglier but still a step in the right direction. [fixed up calls in 3 missing drivers - gregkh] Signed-off-by: Alan Cox <alan@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Alan Cox   authored and   Greg Kroah-Hartman   commited 2012-05-04 16:58:47 -07:00	d29f3ef39b
TTY: remove tty_locked ... We used it really only serial and ami_serial. The rest of the callsites were BUG/WARN_ONs to check if BTM is held. Now that we pruned tty_locked from both of the real users, we can get rid of tty_lock along with __big_tty_mutex_owner. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Jiri Slaby   authored and   Greg Kroah-Hartman   commited 2011-08-23 10:34:07 -07:00	906cbe1364
tty: remove invalid location line in file header ... remove invalid location line in each file header after location moved from driver/char to driver/tty Signed-off-by: Jovi Zhang <bookjovi@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Jovi Zhang   authored and   Greg Kroah-Hartman   commited 2011-04-19 16:33:36 -07:00	99edb3d10a
TTY: create drivers/tty and move the tty core files there ... The tty code should be in its own subdirectory and not in the char driver with all of the cruft that is currently there. Based on work done by Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Greg Kroah-Hartman   commited 2010-11-05 08:10:33 -07:00	96fd7ce58f

Renamed from drivers/char/tty_mutex.c (Browse further)