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n_tty: Queue buffer work on any available cpu

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Scheduling buffer work on the same cpu as the read() thread
limits the parallelism now possible between the receive_buf path
and the n_tty_read() path.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2013-06-15 09:14:36 -04:00 committed by Greg Kroah-Hartman
parent 3afb1b394a
commit f0f947c124
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/n_tty.c
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@ -198,7 +198,7 @@ static void n_tty_set_room(struct tty_struct *tty)
*/
WARN_RATELIMIT(test_bit(TTY_LDISC_HALTED, &tty->flags),
"scheduling buffer work for halted ldisc\n");
schedule_work(&tty->port->buf.work);
queue_work(system_unbound_wq, &tty->port->buf.work);
}
}