From: Joe Perches <joe@perches.com>
To: Kyle Moffett <mrmacman_g4@mac.com>
Cc: Rob Landley <rob@landley.net>, Indan Zupancic <indan@nul.nu>,
linux-tiny@selenic.com,
Michael Opdenacker <michael@free-electrons.com>,
CE Linux Developers List <celinux-dev@tree.celinuxforum.org>,
linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: [Announce] Linux-tiny project revival
Date: Fri, 21 Sep 2007 15:05:34 -0700 [thread overview]
Message-ID: <1190412335.32660.55.camel@localhost> (raw)
In-Reply-To: <4477DB43-766B-4057-B33D-357A73AF69B0@mac.com>
On Fri, 2007-09-21 at 17:34 -0400, Kyle Moffett wrote:
> With a bit more glue that would cause GCC to notice that for a given
> qprintk_kmalloc the "qpk->type" is always zero because the level is
> too high, and therefore it would optimize out *ALL* of the
> _qprintk_kmalloc(), _qprintk(), and _qprintk_finish() calls.
A negative is that lockup conditions swallow partial messages.
Another approach that doesn't require any new buffering is:
id = printk_block_start();
printk_block(id, fmt, ...)
printk_block_end(id)
and have print_block output the id when multiple IDs are
concurrently issued.
This requires a trivial tool to post-process the log
when messages are interleaved.
next prev parent reply other threads:[~2007-09-21 22:06 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-19 18:03 [Announce] Linux-tiny project revival Tim Bird
2007-09-19 18:47 ` Luis R. Rodriguez
2007-09-19 19:31 ` Tim Bird
2007-09-19 19:01 ` Christian MICHON
2007-09-19 19:28 ` Andi Kleen
2007-09-19 19:41 ` Tim Bird
2007-09-19 20:45 ` Valdis.Kletnieks
2007-09-19 21:29 ` Tim Bird
2007-09-19 22:29 ` Michael Opdenacker
2007-09-19 21:28 ` [Celinux-dev] " Andrew Morton
2007-09-19 21:41 ` Tim Bird
2007-09-19 22:38 ` Michael Opdenacker
2007-09-20 9:10 ` Andy Whitcroft
2007-09-20 17:10 ` Monster switch for small size (was Linux-tiny revival) Tim Bird
2007-09-20 21:41 ` Rob Landley
2007-09-20 20:50 ` Randy Dunlap
2007-09-21 6:35 ` Christian MICHON
2007-09-20 23:02 ` [Celinux-dev] [Announce] Linux-tiny project revival Rob Landley
2007-09-20 20:38 ` Rob Landley
2007-09-20 19:58 ` Alexey Dobriyan
2007-09-20 20:22 ` printk proposal - (was Linux-tiny project revival) Tim Bird
2007-09-21 19:07 ` Alexey Dobriyan
2007-09-21 20:53 ` Rob Landley
2007-09-20 22:02 ` [Announce] Linux-tiny project revival Rob Landley
2007-09-20 21:22 ` Jared Hulbert
2007-09-20 22:53 ` Rob Landley
2007-09-20 22:15 ` [Celinux-dev] " Gross, Mark
2007-09-21 0:57 ` Message codes (Re: [Announce] Linux-tiny project revival) Oleg Verych
2007-09-21 14:18 ` Gross, Mark
2007-09-21 21:15 ` Rob Landley
2007-09-21 22:12 ` Gross, Mark
2007-09-21 22:33 ` Joe Perches
2007-09-21 22:39 ` Gross, Mark
2007-09-22 1:55 ` Oleg Verych
2007-09-21 13:29 ` [Announce] Linux-tiny project revival Dick Streefland
2007-09-20 20:16 ` Joe Perches
2007-09-25 11:43 ` [Celinux-dev] " Geert Uytterhoeven
2007-09-20 21:26 ` Indan Zupancic
2007-09-20 23:18 ` Rob Landley
2007-09-20 23:06 ` Indan Zupancic
2007-09-21 6:29 ` Sam Ravnborg
2007-09-24 18:13 ` Adrian Bunk
2007-09-26 6:24 ` Rob Landley
2007-09-21 17:16 ` Valdis.Kletnieks
2007-09-21 17:45 ` Joe Perches
2007-09-21 23:05 ` Rob Landley
2007-09-21 23:08 ` Joe Perches
2007-09-21 21:34 ` Kyle Moffett
2007-09-21 22:05 ` Joe Perches [this message]
2007-09-21 22:57 ` Kyle Moffett
2007-09-20 21:58 ` Tim Bird
2007-09-20 22:14 ` Joe Perches
2007-09-21 0:28 ` Rob Landley
2007-09-21 0:03 ` Joe Perches
2007-09-20 23:11 ` Rob Landley
2007-09-21 12:27 ` Bill Davidsen
2007-09-27 7:00 ` Arnd Bergmann
2007-09-27 16:35 ` Indan Zupancic
2007-09-27 22:21 ` Arnd Bergmann
2007-09-28 8:39 ` Bernd Petrovitsch
2007-09-30 20:37 ` Jörn Engel
2007-09-28 0:06 ` Rob Landley
2007-09-28 14:36 ` Dick Streefland
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