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Message-ID: <20181011214035.GC565@thunk.org>
Date:   Thu, 11 Oct 2018 17:40:35 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     hpa@...or.com
Cc:     Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        linux-serial@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, Johan Hovold <johan@...nel.org>,
        Alexander Viro <viro@...iv.linux.org.uk>
Subject: Re: Insanely high baud rates

On Thu, Oct 11, 2018 at 07:14:30AM -0700, hpa@...or.com wrote:
> >
> >I mean - what is the baud rate of a pty  ?
>
> Whatever the master wants it to be...

I think Alan's point is that it is highly unlikely you would be able
to push the equivalent of 4 gbps through a PTY layer.  The TTY later
was never engineered for those speeds, and the real question is ---
what's the point?  That's what Ethernet is for.

       	   	   	       		   - Ted

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