linux-kernel - Re: slow down printk during boot.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <E1I6cxX-0007Dj-Lo@be1.lrz>
Date:	Fri, 06 Jul 2007 03:50:11 +0200
From:	Bodo Eggert <7eggert@....de>
To:	Dave Jones <davej@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Randy Dunlap <rdunlap@...otime.net>
Subject: Re: slow down printk during boot.

Dave Jones <davej@...hat.com> wrote:

> This patch from Randy has proven quite useful from time to time,
> and has been in Fedora kernels for a while for that reason.
> I fixed up some checkpatch warnings, and rediffed it a bunch
> of times, Randy did the heavy lifting.
> 
> ---
> 
> This one delays each printk() during boot by a variable time
> (from kernel command line), while system_state == SYSTEM_BOOTING.
> Caveat:  it's not terribly SMP safe or SMP nice.
> Any ideas for improvements (esp. in the SMP area) are appreciated.

I just created a different patch, which replaces the panic with one that
does allow scrolling and reading the messages. Maybe that would be the
better approach ...

The patch was sent in:
Subject: [RFC][PATCH] introduce panic_gently
Message-ID: Pine.LNX.4.58.0707060034330.18989@....lrz
news:8DICF-3CV-47@...ed-at.bofh.it
-- 
Justify my text? I'm sorry but it has no excuse. 

Friß, Spammer: ij@...sf.7eggert.dyndns.org 6.h@...s97h.7eggert.dyndns.org
 9yTtaaH5@...hc.7eggert.dyndns.org dy3pwcw@...qOp7i.7eggert.dyndns.org
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/