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From: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-serial@vger.kernel.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.com>, Johan Hovold <johan@kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>
Subject: Re: Insanely high baud rates
Date: Wed, 10 Oct 2018 21:17:17 +0100	[thread overview]
Message-ID: <20181010211717.30c1f052@alans-desktop> (raw)
In-Reply-To: <3fcef1c1-d746-ae82-c0e6-f079b1a53ffb@zytor.com>

On Tue, 9 Oct 2018 12:19:04 -0700
"H. Peter Anvin" <hpa@zytor.com> 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

  parent reply	other threads:[~2018-10-10 20:17 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-09 19:19 Insanely high baud rates H. Peter Anvin
2018-10-09 19:51 ` Willy Tarreau
2018-10-09 20:02   ` H. Peter Anvin
2018-10-10 20:17 ` Alan Cox [this message]
2018-10-10 20:20   ` hpa
2018-10-11 12:31     ` Alan Cox
2018-10-11 14:14       ` hpa
2018-10-11 21:40         ` Theodore Y. Ts'o
2018-10-12  5:48           ` H. Peter Anvin
2018-10-11 19:36       ` Craig Milo Rogers
2018-10-11 19:39         ` H. Peter Anvin

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