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SubjectRe: Insanely high baud rates
On October 10, 2018 1:17:17 PM PDT, Alan Cox <> wrote:
>On Tue, 9 Oct 2018 12:19:04 -0700
>"H. Peter Anvin" <> wrote:
>> [Resending to a wider audience]
>> In trying to get the termios2 interface actually implemented in
>> the question came up if we will ever care about baud rates in excess
>> 4 Gbps, even in the relatively remote future.
>Even RS485 at 4MBits involves deep magic. I think we are fairly safe.
>only that but our entire tty layer isn't capable of sustaining anything
>even remotely in that range.
>I think its non issue.

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.

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