From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: linux-kernel@vger.kernel.org
Subject: Serial Roadmap
Date: Thu, 27 Mar 2008 16:10:06 +0000 [thread overview]
Message-ID: <20080327161006.2db03b5a@core> (raw)
Basic lock_kernel free serial is now pushed to the -mm tree, with a few
more lock drops to get pushed but tested.
After that the following will be changing
- tty->driver will no longer contain a copy of all the operations methods
but that will become tty->driver->ops and in turn tty->ops
- Helpers will appear for things like write_room/put_char/chars_in_buffer
These will be mandatory to use so that we can stamp out all the corner
cases where some combinations of ldisc/driver crash the box due to bogus
assumptions about what methods must be present.
- break_ctl will become mandatory for break handling removing all the
duplicated per driver cruft in old drivers.
- put_char methods will return 0/1 if they queued the character.
Alan
reply other threads:[~2008-03-27 16:27 UTC|newest]
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