On October 10, 2018 1:17:17 PM PDT, Alan Cox <gnomes@xxxxxxxxxxxxxxxxxxx> wrote: >On Tue, 9 Oct 2018 12:19:04 -0700 >"H. Peter Anvin" <hpa@xxxxxxxxx> wrote: > >> [Resending to a wider audience] >> >> In trying to get the termios2 interface actually implemented in >glibc, >> the question came up if we will ever care about baud rates in excess >of >> 4 Gbps, even in the relatively remote future. > >Even RS485 at 4MBits involves deep magic. I think we are fairly safe. >Not >only that but our entire tty layer isn't capable of sustaining anything >even remotely in that range. > >I think its non issue. > >Alan I'm mostly wondering if it is worth future-proofing for new transports. It sounds like we can have a consensus on leaving the upper 4 bits of the speed fields reserved, but leave the details of implementation for the future? -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
