Re: [arch-dev-public] [signoff] kernel26-2.6.38.3-1

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On Apr 21, 2011 6:17 AM, "Tom Gundersen" <teg@xxxxxxx> wrote:
>
> On Thu, Apr 21, 2011 at 7:16 AM, Andreas Radke <a.radke@xxxxxxxx> wrote:
> > Am Mon, 18 Apr 2011 07:29:20 +0200
> > schrieb Tobias Powalowski <t.powa@xxxxxx>:
> >> yes, i think this is because i enabled printk_time option.
> >
> > Once again somebody request something and we don't think about it
> > and enable it without any need...
> >
> > The configuration item CONFIG_EARLY_PRINTK:
>
> CONFIG_PRINTK_TIME is not the same as CONFIG_EARLY_PRINTK. The former
> is very useful to make sense of dmesg (otherwise you dont know what
> messages "belong together") and it should not have any negative side
> effects (I have been using it for years). The latter might be, as you
> say, annoying and should perhaps be removed, it is not new in this
> release though (it is from before the start of the packages repo)...
>
> Cheers,
>
> Tom

the kconfig for PRINTK_TIME doesn't mention that its only setting a default
behavior. The cmdline accepts printk.time= which can be set to 1/0 to
appropriately disable or enable.

Plus one to removing this as its really only good for debugging and making a
mess of your logs.

Dave


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