linux-kernel - Re: [PATCH 0/8] Rework KERN

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Message-ID: <1338939792.11962.4.camel@joe2Laptop>
Date:	Tue, 05 Jun 2012 16:43:12 -0700
From:	Joe Perches <joe@...ches.com>
To:	Kay Sievers <kay@...y.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-arm-kernel@...ts.infradead.org, linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
	alsa-devel@...a-project.org
Subject: Re: [PATCH 0/8] Rework KERN_<LEVEL>

On Wed, 2012-06-06 at 01:39 +0200, Kay Sievers wrote:
> On Wed, Jun 6, 2012 at 1:35 AM, Joe Perches <joe@...ches.com> wrote:
> > On Tue, 2012-06-05 at 16:29 -0700, Andrew Morton wrote:
> >> What about writes starting with \001n?  AFACIT, that will be stripped
> >> away and the printk level will be altered.  This is new behavior.
> >
> > Nope.
> >
> > # echo "\001Hello Andrew" > /dev/kmsg
> > /dev/kmsg has
> > 12,774,2462339252;\001Hello Andrew
> 
> Try "echo -e"? The stuff is copied verbatim otherwise.

# echo -e "\001Hello Kay" > /dev/kmsg
gives
12,776,3046752764;\x01Hello Kay


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