diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2013-01-03 15:53:05 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-15 22:23:16 -0800 |
| commit | d6c53c0e9bd0a83f9f9ddbc9fd80141a54d83896 (patch) | |
| tree | 2b749451607e0a52d97d61af984e7aa2e3818067 /drivers/tty/tty_buffer.c | |
| parent | 05c7cd39907184328f48d3e7899f9cdd653ad336 (diff) | |
| download | lwn-d6c53c0e9bd0a83f9f9ddbc9fd80141a54d83896.tar.gz lwn-d6c53c0e9bd0a83f9f9ddbc9fd80141a54d83896.zip | |
TTY: move low_latency to tty_port
One point is to have less places where we actually need tty pointer.
The other is that low_latency is bound to buffer processing and
buffers are now in tty_port. So it makes sense to move low_latency to
tty_port too.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_buffer.c')
| -rw-r--r-- | drivers/tty/tty_buffer.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 31873e42602a..1bfe97a8e2eb 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -364,7 +364,7 @@ void tty_schedule_flip(struct tty_struct *tty) { struct tty_bufhead *buf = &tty->port->buf; unsigned long flags; - WARN_ON(tty->low_latency); + WARN_ON(tty->port->low_latency); spin_lock_irqsave(&buf->lock, flags); if (buf->tail != NULL) @@ -538,7 +538,7 @@ static void flush_to_ldisc(struct work_struct *work) */ void tty_flush_to_ldisc(struct tty_struct *tty) { - if (!tty->low_latency) + if (!tty->port->low_latency) flush_work(&tty->port->buf.work); } @@ -547,7 +547,8 @@ void tty_flush_to_ldisc(struct tty_struct *tty) * @tty: tty to push * * Queue a push of the terminal flip buffers to the line discipline. This - * function must not be called from IRQ context if tty->low_latency is set. + * function must not be called from IRQ context if port->low_latency is + * set. * * In the event of the queue being busy for flipping the work will be * held off and retried later. @@ -565,7 +566,7 @@ void tty_flip_buffer_push(struct tty_struct *tty) buf->tail->commit = buf->tail->used; spin_unlock_irqrestore(&buf->lock, flags); - if (tty->low_latency) + if (tty->port->low_latency) flush_to_ldisc(&buf->work); else schedule_work(&buf->work); |