public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Albert Cahalan <albert@users.sf.net>
To: linux-kernel mailing list <linux-kernel@vger.kernel.org>
Cc: dwmw2@infradead.org
Subject: Re: [PATCH] Stop printk printing non-printable chars
Date: 19 Jun 2004 16:12:00 -0400	[thread overview]
Message-ID: <1087675920.9831.941.camel@cube> (raw)

David Woodhouse writes:

> Please don't do that -- it makes printing UTF-8 impossible.
> While I'd not argue that now is the time to start outputting
> UTF-8 all over the place, I wouldn't accept that it's a good
> time to _prevent_ it either, as your patch would do.
>
> If you want to post-process printk output, don't do it in the kernel. 

It is dangerous to let the 0x9b character go out
to a serial console. It means the same as ESC [ does
when you have a normal 8-bit terminal.

Non-cannonical UTF-8 encoding for ESC and other
troublesome characters may also cause problems.



             reply	other threads:[~2004-06-19 22:34 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-19 20:12 Albert Cahalan [this message]
2004-06-19 22:56 ` [PATCH] Stop printk printing non-printable chars Jan-Benedict Glaw
  -- strict thread matches above, loose matches on Subject: below --
2004-06-20  4:02 Albert Cahalan
2004-06-20  8:38 ` David Woodhouse
2004-06-20  8:49 ` Jan-Benedict Glaw
2004-06-18 20:53 matthew-lkml
2004-06-18 21:08 ` Linus Torvalds
2004-06-18 22:44   ` Jesper Juhl
2004-06-18 23:52     ` matthew-lkml
2004-06-19  4:18       ` Willy Tarreau
2004-06-19 10:27         ` Matthias Urlichs
2004-06-19 23:00       ` Dave Jones
2004-06-19  1:23     ` Matthias Urlichs
2004-06-19  1:43       ` Jesper Juhl
2004-06-19 10:20         ` Matthias Urlichs
2004-06-18 21:32 ` Jan-Benedict Glaw
2004-06-18 21:58   ` Pekka Pietikainen
2004-06-19  0:03   ` matthew-lkml
2004-06-19  8:31     ` Jan-Benedict Glaw
2004-06-19 11:18 ` David Woodhouse
2004-06-19 15:49   ` matthew-lkml
2004-06-19 16:09     ` Arjan van de Ven
2004-06-20  2:19     ` Horst von Brand
2004-06-20 14:17     ` David Woodhouse
2004-06-20 20:06       ` Jeff Woods

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=1087675920.9831.941.camel@cube \
    --to=albert@users.sf.net \
    --cc=dwmw2@infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    /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