From: Randy Dunlap <randy.dunlap@oracle.com>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: lkml <linux-kernel@vger.kernel.org>, akpm <akpm@linux-foundation.org>
Subject: Re: [PATCH] add "notime" boot option
Date: Thu, 24 May 2007 09:24:13 -0700 [thread overview]
Message-ID: <4655BC2D.2070701@oracle.com> (raw)
In-Reply-To: <Pine.LNX.4.61.0705241812450.31549@yvahk01.tjqt.qr>
Jan Engelhardt wrote:
> On May 22 2007 12:09, Randy Dunlap wrote:
>> From: Randy Dunlap <randy.dunlap@oracle.com>
>>
>> Add "notime" boot option to prevent timing data from being printed on
>> each printk message line.
>>
>> We've seen a few cases of 'time' data locking problems (possibly
>> involving netconsole or net drivers). If a kernel is built with
>> CONFIG_PRINTK_TIME=y, it may have a boot locking hang. Booting
>> with "notime" may (i.e., could) prevent the lock hang and allow the
>> kernel to boot successfully, without requiring a kernel rebuild.
>
> Wonderful, now we have _three_ options to control time...
>
> time=<bool>
> printk.time=<bool>
> notime=<bool>
Currently the middle one is "printk.printk_time".
And the first and last are just "time" and "notime", without a bool value.
And as I wrote later, I'd be happy to remove #s 1 and 3 and use only the
middle one, renaming the param so that it _is_ printk.time.
--
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
next prev parent reply other threads:[~2007-05-24 16:18 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-22 19:09 [PATCH] add "notime" boot option Randy Dunlap
2007-05-22 19:40 ` Dave Jones
2007-05-22 20:00 ` Randy Dunlap
2007-05-23 11:03 ` Michael Tokarev
2007-05-23 17:04 ` Randy Dunlap
2007-05-23 19:15 ` Rene Herman
2007-05-23 20:55 ` Randy Dunlap
2007-05-24 4:54 ` Rene Herman
2007-05-24 5:08 ` Randy Dunlap
2007-05-24 5:11 ` Rene Herman
2007-05-24 6:29 ` Rene Herman
2007-05-24 16:13 ` Jan Engelhardt
2007-05-24 16:24 ` Randy Dunlap [this message]
2007-05-24 16:33 ` Jan Engelhardt
2007-05-25 0:15 ` [PATCH] use printk.time option, drop time/notime Randy Dunlap
2007-05-29 20:07 ` Andrew Morton
2007-05-29 21:28 ` Jan Engelhardt
2007-05-30 18:37 ` [PATCH v3] add printk.time option, deprecate 'time' Randy Dunlap
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