Messages in this thread Patch in this message | | | From | Peter Hurley <> | Subject | [PATCH v3 24/24] n_tty: Queue buffer work on any available cpu | Date | Mon, 15 Apr 2013 11:19:28 -0400 |
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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> --- 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 5211de2..4dbb558 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); } } -- 1.8.1.2
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