[PATCH tty-next 14/22] tty: Remove tty_wait_until_sent_from_close()
peter at hurleysoftware.com
Sat Jul 12 01:03:12 EST 2014
On 07/10/2014 07:09 PM, Greg Kroah-Hartman wrote:
> On Mon, Jun 16, 2014 at 09:17:11AM -0400, Peter Hurley wrote:
>> tty_wait_until_sent_from_close() drops the tty lock while waiting
>> for the tty driver to finish sending previously accepted data (ie.,
>> data remaining in its write buffer and transmit fifo).
>> However, dropping the tty lock is a hold-over from when the tty
>> lock was system-wide; ie., one lock for all ttys.
>> Since commit 89c8d91e31f267703e365593f6bfebb9f6d2ad01,
>> 'tty: localise the lock', dropping the tty lock has not been necessary.
>> CC: Karsten Keil <isdn at linux-pingi.de>
>> CC: linuxppc-dev at lists.ozlabs.org
>> Signed-off-by: Peter Hurley <peter at hurleysoftware.com>
>> drivers/isdn/i4l/isdn_tty.c | 2 +-
>> drivers/tty/hvc/hvc_console.c | 2 +-
>> drivers/tty/hvc/hvcs.c | 2 +-
>> drivers/tty/tty_port.c | 11 ++---------
>> include/linux/tty.h | 18 ------------------
>> 5 files changed, 5 insertions(+), 30 deletions(-)
> I've applied the first 13 patches in this series, as it looks like you
> were going to split things up from here, right?
Yes, thanks for doing that.
> Can you refresh these and resend when you have that done?
Unfortunately, that probably won't be until after the 3.17 merge window,
for 3.18. The tty_open() rework is not trivial and there is an issue
with the ldisc flush removal patch.
I'm hoping to include the tty flow control fixes with that stuff as well.
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