From f0f947c124e05ec977019b974b12dfe171dd7148 Mon Sep 17 00:00:00 2001 From: Peter Hurley Date: Sat, 15 Jun 2013 09:14:36 -0400 Subject: [PATCH] n_tty: Queue buffer work on any available cpu 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 Signed-off-by: Greg Kroah-Hartman --- drivers/tty/n_tty.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 59eb444fe17c..a69470e02bf4 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -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); } }