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 <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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@ -1483,6 +1483,9 @@ static void in_intr(struct virtqueue *vq)
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wake_up_interruptible(&port->waitqueue);
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/* Send a SIGIO indicating new data in case the process asked for it */
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send_sigio_to_port(port);
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if (is_console_port(port) && hvc_poll(port->cons.hvc))
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hvc_kick();
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}
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