On Sat, 5 May 2007 20:07:15 +0200 Oliver Neukum <[EMAIL PROTECTED]> wrote:
> Am Samstag, 5. Mai 2007 18:36 schrieb Alan Cox: > > > In the serial driver this usually just results in dropping > > > RTS to signal the remote end to stop sending. The serial > > > driver always immediately gives receive data to the tty buffering > > > without regard to the throttled state. > > > > > > I would argue that cdc-acm should do the same as the serial driver. > > > > This is a bug in cdc-acm really. It should not double buffer, but to be > > fair to the authors prior to the new tty buffering it *had* to do this. > > Hi, > > should I understand this so that, if tty_buffer_request_room() returns > less than requested, the rest of the data should be dropped on the > floor? If it returns NULL then either there is > 64K buffered (we can adjust that if anyone shows need - its just for sanity) or the system is out of RAM. Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/