On Thu, 21 Jan 2010 14:03:40 +0800 River Wang <coredump007@xxxxxxxxx> wrote: > Hi All: > When tty->low_latency = 1, tty_flip_buffer_push() may sleep in > tasklet context which will lead to a kernel crash.We use > workqueue instead of tasklet. Surely it would be simpler to not set tty->low_latency, and call the tty_flip_buffer_push directly from the received URB handler. The tty layer will then handle the workqueue stuff itself. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html