On Tue, 14 Apr 2009 16:53:34 +0200 Oliver Neukum <oliver@xxxxxxxxxx> wrote: > Hi, > > this removes tty->low_latency from all USB serial drivers that push > data into the tty layer at hard interrupt context. That turns out to be > all but ftdi_sio and whiteheat, which use a work queue. As this touches > a lot of drivers and removes module parameters I am asking for comments > before I propose it for inclusion I would remove it from whiteheat and ftdi_sio as well (and maybe kill the workqueue stuff). They set it to work around a long fixed buffering problem. The one case you still want it present is if you have hardware which can really do very low latencies (ie *not* USB) and you are doing protocols which need fast turnarounds such as unwindowed serial download protocols. Alan -- 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
