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Commit f0f947c1 authored by Peter Hurley's avatar Peter Hurley Committed by Greg Kroah-Hartman
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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: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3afb1b39

drivers/tty/n_tty.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -198,7 +198,7 @@ static void n_tty_set_room(struct tty_struct *tty) 
		 */

		 */

		WARN_RATELIMIT(test_bit(TTY_LDISC_HALTED, &tty->flags),

		WARN_RATELIMIT(test_bit(TTY_LDISC_HALTED, &tty->flags),

			       "scheduling buffer work for halted ldisc\n");

			       "scheduling buffer work for halted ldisc\n");

		schedule_work(&tty->port->buf.work);

		queue_work(system_unbound_wq, &tty->port->buf.work);

	}

	}

}

}