From 55f6bcce3691f68476a530daa6666b66c43420a8 Mon Sep 17 00:00:00 2001 From: Amit Shah Date: Thu, 2 Sep 2010 18:47:53 +0530 Subject: [PATCH] virtio: console: Send SIGIO on new data arrival on ports Send a SIGIO signal when new data arrives on a port. This is sent only when the process has requested for the signal to be sent using fcntl(). Signed-off-by: Amit Shah Signed-off-by: Rusty Russell --- drivers/char/virtio_console.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index c4ca4369423..6d5c579b169 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1483,6 +1483,9 @@ static void in_intr(struct virtqueue *vq) wake_up_interruptible(&port->waitqueue); + /* Send a SIGIO indicating new data in case the process asked for it */ + send_sigio_to_port(port); + if (is_console_port(port) && hvc_poll(port->cons.hvc)) hvc_kick(); } -- 2.20.1