linux-kernel - Re: [PATCH] printk timestamp post-boot suppression, v2

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Message-ID: <20080827172750.GA24564@tsunami.ccur.com>
Date:	Wed, 27 Aug 2008 13:27:50 -0400
From:	Joe Korty <joe.korty@...r.com>
To:	Simon Farnsworth <simon.farnsworth@...lan.com>
Cc:	Mark Brown <broonie@...ena.org.uk>, Ingo Molnar <mingo@...e.hu>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] printk timestamp post-boot suppression, v2

On Wed, Aug 27, 2008 at 01:22:58PM -0400, Joe Korty wrote:
> On Wed, Aug 27, 2008 at 01:13:28PM -0400, Simon Farnsworth wrote:
> > Joe Korty wrote:
> > > Optionally suppress printk timestamping after system boot.
> > >
> > JOOI, what's wrong with having your init scripts contain a line like:
> > echo 0 > /sys/module/printk/parameters/time
> > 
> > This has the advantage that you can avoid turning the kernel's
> > timestamps off until you know that syslog is running and timestamp
> > events that it's receiving.
> 
> That certainly is the better approach.

...and is already present in 2.6.27, the module_param_named(...)
stmt in kernel/printk.c sets it all up.

Joe
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