From: Andrew Morton <akpm@linux-foundation.org>
To: Joe Perches <joe@perches.com>
Cc: devel@driverdev.osuosl.org, alsa-devel@alsa-project.org,
Kay Sievers <kay@vrfy.org>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 0/8] Rework KERN_<LEVEL>
Date: Tue, 5 Jun 2012 16:58:08 -0700 [thread overview]
Message-ID: <20120605165808.cd255b93.akpm@linux-foundation.org> (raw)
In-Reply-To: <1338940345.11962.9.camel@joe2Laptop>
On Tue, 05 Jun 2012 16:52:25 -0700
Joe Perches <joe@perches.com> wrote:
> On Wed, 2012-06-06 at 01:48 +0200, Kay Sievers wrote:
> > On Wed, Jun 6, 2012 at 1:43 AM, Joe Perches <joe@perches.com> wrote:
> > > On Wed, 2012-06-06 at 01:39 +0200, Kay Sievers wrote:
> >
> > >> > # 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
> >
> > Don't you need two bytes to trigger the logic?
>
> Yes. Angle brackets fore and aft.
he means
echo "\0014Hello Joe" > /dev/kmsg
^
It needs one of [0-7cd] to trigger the prefix handling.
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: Joe Perches <joe@perches.com>
Cc: Kay Sievers <kay@vrfy.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-arm-kernel@lists.infradead.org,
linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org,
devel@driverdev.osuosl.org, alsa-devel@alsa-project.org
Subject: Re: [PATCH 0/8] Rework KERN_<LEVEL>
Date: Tue, 5 Jun 2012 16:58:08 -0700 [thread overview]
Message-ID: <20120605165808.cd255b93.akpm@linux-foundation.org> (raw)
In-Reply-To: <1338940345.11962.9.camel@joe2Laptop>
On Tue, 05 Jun 2012 16:52:25 -0700
Joe Perches <joe@perches.com> wrote:
> On Wed, 2012-06-06 at 01:48 +0200, Kay Sievers wrote:
> > On Wed, Jun 6, 2012 at 1:43 AM, Joe Perches <joe@perches.com> wrote:
> > > On Wed, 2012-06-06 at 01:39 +0200, Kay Sievers wrote:
> >
> > >> > # 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
> >
> > Don't you need two bytes to trigger the logic?
>
> Yes. Angle brackets fore and aft.
he means
echo "\0014Hello Joe" > /dev/kmsg
^
It needs one of [0-7cd] to trigger the prefix handling.
WARNING: multiple messages have this Message-ID (diff)
From: akpm@linux-foundation.org (Andrew Morton)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/8] Rework KERN_<LEVEL>
Date: Tue, 5 Jun 2012 16:58:08 -0700 [thread overview]
Message-ID: <20120605165808.cd255b93.akpm@linux-foundation.org> (raw)
In-Reply-To: <1338940345.11962.9.camel@joe2Laptop>
On Tue, 05 Jun 2012 16:52:25 -0700
Joe Perches <joe@perches.com> wrote:
> On Wed, 2012-06-06 at 01:48 +0200, Kay Sievers wrote:
> > On Wed, Jun 6, 2012 at 1:43 AM, Joe Perches <joe@perches.com> wrote:
> > > On Wed, 2012-06-06 at 01:39 +0200, Kay Sievers wrote:
> >
> > >> > # 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
> >
> > Don't you need two bytes to trigger the logic?
>
> Yes. Angle brackets fore and aft.
he means
echo "\0014Hello Joe" > /dev/kmsg
^
It needs one of [0-7cd] to trigger the prefix handling.
next prev parent reply other threads:[~2012-06-05 23:58 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-05 9:46 [PATCH 0/8] Rework KERN_<LEVEL> Joe Perches
2012-06-05 9:46 ` Joe Perches
2012-06-05 9:46 ` Joe Perches
2012-06-05 9:46 ` [PATCH 1/8] printk: Add generic functions to find KERN_<LEVEL> headers Joe Perches
2012-06-05 9:46 ` [PATCH 2/8] printk: Add kern_levels.h to make KERN_<LEVEL> available for asm use Joe Perches
2012-06-05 9:46 ` [PATCH 3/8] arch: Remove direct definitions of KERN_<LEVEL> uses Joe Perches
2012-06-05 9:46 ` Joe Perches
2012-06-05 9:46 ` [PATCH 4/8] btrfs: Use printk_get_level and printk_skip_level, add __printf, fix fallout Joe Perches
2012-06-05 9:46 ` [PATCH 5/8] sound: Use printk_get_level and printk_skip_level Joe Perches
2012-06-05 9:46 ` Joe Perches
2012-06-05 9:46 ` [PATCH 6/8] staging: wlags49_h2: Remove direct declarations of KERN_<LEVEL> prefixes Joe Perches
2012-06-05 9:46 ` [PATCH 7/8] printk: Convert the format for KERN_<LEVEL> to a 2 byte pattern Joe Perches
2012-06-05 9:46 ` [PATCH 8/8] printk: Remove the now unnecessary "C" annotation for KERN_CONT Joe Perches
2012-06-05 21:28 ` [PATCH 0/8] Rework KERN_<LEVEL> Andrew Morton
2012-06-05 21:28 ` Andrew Morton
2012-06-05 21:53 ` Kay Sievers
2012-06-05 21:53 ` Kay Sievers
2012-06-05 21:53 ` Kay Sievers
2012-06-05 22:11 ` Joe Perches
2012-06-05 22:11 ` Joe Perches
2012-06-05 22:17 ` Andrew Morton
2012-06-05 22:17 ` Andrew Morton
2012-06-05 22:17 ` Andrew Morton
2012-06-05 22:49 ` Joe Perches
2012-06-05 22:49 ` Joe Perches
2012-06-05 22:49 ` Joe Perches
2012-06-05 23:29 ` Andrew Morton
2012-06-05 23:29 ` Andrew Morton
2012-06-05 23:29 ` Andrew Morton
2012-06-05 23:35 ` Joe Perches
2012-06-05 23:35 ` Joe Perches
2012-06-05 23:35 ` Joe Perches
2012-06-05 23:39 ` Kay Sievers
2012-06-05 23:39 ` Kay Sievers
2012-06-05 23:43 ` Joe Perches
2012-06-05 23:43 ` Joe Perches
2012-06-05 23:48 ` Kay Sievers
2012-06-05 23:48 ` Kay Sievers
2012-06-05 23:48 ` Kay Sievers
2012-06-05 23:52 ` Joe Perches
2012-06-05 23:52 ` Joe Perches
2012-06-05 23:52 ` Joe Perches
2012-06-05 23:58 ` Andrew Morton [this message]
2012-06-05 23:58 ` Andrew Morton
2012-06-05 23:58 ` Andrew Morton
2012-06-06 0:07 ` Joe Perches
2012-06-06 0:07 ` Joe Perches
2012-06-06 0:07 ` Joe Perches
2012-06-06 0:13 ` Kay Sievers
2012-06-06 0:13 ` Kay Sievers
2012-06-06 0:13 ` Kay Sievers
2012-06-06 0:19 ` Joe Perches
2012-06-06 0:19 ` Joe Perches
2012-06-06 0:19 ` Joe Perches
2012-06-06 0:28 ` Kay Sievers
2012-06-06 0:28 ` Kay Sievers
2012-06-06 0:28 ` Kay Sievers
2012-06-06 0:37 ` Joe Perches
2012-06-06 0:37 ` Joe Perches
2012-06-06 0:37 ` Joe Perches
2012-06-06 0:37 ` Andrew Morton
2012-06-06 0:37 ` Andrew Morton
2012-06-06 0:40 ` Joe Perches
2012-06-06 0:40 ` Joe Perches
2012-06-06 0:40 ` Joe Perches
2012-06-06 0:46 ` Andrew Morton
2012-06-06 0:46 ` Andrew Morton
2012-06-06 0:46 ` Andrew Morton
2012-06-06 1:10 ` Kay Sievers
2012-06-06 1:10 ` Kay Sievers
2012-06-06 2:06 ` Joe Perches
2012-06-06 2:06 ` Joe Perches
2012-06-06 2:06 ` Joe Perches
2012-06-06 3:04 ` [PATCH 9/8] printk: Only look for prefix levels in kernel messages Joe Perches
2012-06-06 3:04 ` Joe Perches
2012-06-06 3:04 ` Joe Perches
2012-06-05 23:48 ` [PATCH 0/8] Rework KERN_<LEVEL> Joe Perches
2012-06-05 23:48 ` Joe Perches
2012-06-05 23:48 ` Joe Perches
2012-06-05 22:55 ` Kay Sievers
2012-06-05 22:55 ` Kay Sievers
2012-06-05 22:55 ` Kay Sievers
2012-06-05 23:09 ` Andrew Morton
2012-06-05 23:09 ` Andrew Morton
2012-06-05 23:09 ` Andrew Morton
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=20120605165808.cd255b93.akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=alsa-devel@alsa-project.org \
--cc=devel@driverdev.osuosl.org \
--cc=joe@perches.com \
--cc=kay@vrfy.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-btrfs@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@linux-foundation.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.