public inbox for linux-serial@vger.kernel.org
 help / color / mirror / Atom feed
From: Craig Milo Rogers <rogers@isi.edu>
To: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Cc: hpa@zytor.com, 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: Thu, 11 Oct 2018 12:36:51 -0700	[thread overview]
Message-ID: <20181011193651.GA11500@isi.edu> (raw)
In-Reply-To: <20181011133134.085624af@alans-desktop>

On 18.10.11, Alan Cox wrote:
> I mean - what is the baud rate of a pty  ?

	Solaris made the distinction between B0, which means pty hangup mode,
and any other baud rate:

https://docs.oracle.com/cd/E88353_01/html/E37851/pty-4d.html

	But... why not implement a pty bandwidth limitation layer?  You say, I
need to justify it?  It's for, uh... protecting the system from unrestricted
pty usage DOS attacks!  Yeah.  That's what it's for.

					Craig Milo Rogers

  parent reply	other threads:[~2018-10-11 19:36 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
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 [this message]
2018-10-11 19:39         ` H. Peter Anvin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181011193651.GA11500@isi.edu \
    --to=rogers@isi.edu \
    --cc=gnomes@lxorguk.ukuu.org.uk \
    --cc=gregkh@linuxfoundation.org \
    --cc=hpa@zytor.com \
    --cc=johan@kernel.org \
    --cc=jslaby@suse.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-serial@vger.kernel.org \
    --cc=viro@zeniv.linux.org.uk \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox