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From: Mark Lord <liml@rtr.ca>
To: Tejun Heo <htejun@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	jeff@garzik.org, linux-ide@vger.kernel.org,
	jengelh@computergmbh.de, matthew@wil.cx, randy.dunlap@oracle.com,
	daniel.ritz-ml@swissonline.ch, linux-kernel@vger.kernel.org
Subject: Re: [PATCHSET] printk: implement printk_header() and merging printk, take #3
Date: Thu, 14 Feb 2008 11:29:28 -0500	[thread overview]
Message-ID: <47B46C68.6050904@rtr.ca> (raw)
In-Reply-To: <47B38E13.1060503@gmail.com>

Tejun Heo wrote:
>..
> * For timeouts, result TF isn't available and thus res printout is
> misleading.  res shouldn't be printed after timeouts.  This would
> require allocating yest another temp buf and separating out res printing
> into separate snprintf.
..

And snprintf() is buggy, by the way.  It does not always seem to return
the correct character fill counts.  I've given up trying to use it here
for anything in kernelspace that *must* work.

Someday I'll go back and try to figure out where it's screwing up.
I think it is doing so in the cases where it runs out of space in the buffer.

-ml

      parent reply	other threads:[~2008-02-14 16:29 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-13  9:09 Tejun Heo
2008-02-13  9:09 ` [PATCH 1/5] printk: keep log level on multiline messages Tejun Heo
2008-02-13  9:09 ` [PATCH 2/5] printk: implement [v]printk_header() Tejun Heo
2008-02-13  9:09 ` [PATCH 3/5] printk: implement merging printk Tejun Heo
2008-02-13  9:09 ` [PATCH 4/5] printk: add Documentation/printk.txt Tejun Heo
2008-02-13  9:09 ` [PATCH 5/5] libata: make libata use printk_header() and mprintk Tejun Heo
2008-02-13 23:57 ` [PATCHSET] printk: implement printk_header() and merging printk, take #3 Andrew Morton
2008-02-14  0:40   ` Tejun Heo
2008-02-14  1:09     ` Andrew Morton
2008-02-14  1:26       ` Tejun Heo
2008-02-15  1:49         ` Tejun Heo
2008-02-15  2:27           ` Andrew Morton
2008-02-15  2:36             ` Tejun Heo
2008-02-15  2:50               ` Andrew Morton
2008-02-15  3:16                 ` Tejun Heo
2008-02-16 14:13                   ` Mark Lord
2008-02-14 16:29     ` Mark Lord [this message]

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