From: Dave Jones <davej@redhat.com>
To: Dave Young <hidave.darkstar@gmail.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>,
Dave Jones <davej@codemonkey.org.uk>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: two questions about the boot_delay
Date: Wed, 15 Aug 2007 11:19:33 -0400 [thread overview]
Message-ID: <20070815151933.GA13881@redhat.com> (raw)
In-Reply-To: <a8e1da0708150045i4b02e0a4u51a10084f1b439da@mail.gmail.com>
On Wed, Aug 15, 2007 at 03:45:08PM +0800, Dave Young wrote:
> >On 8/12/07, Randy Dunlap <rdunlap@xenotime.net> wrote:
> > On Wed, 8 Aug 2007 07:39:33 +0000 Dave Young wrote:
> >
> > > Hi,
> > > I have tried the "slow down printk" , and I have two questions.
> > >
> > > 1. why it depends the DEBUG_KERNEL? Sometimes we only need boot_delay
> > > to see the printk infomations. How about set it as a standalone
> > > config option?
> >
> > Is depending on DEBUG_KERNEL a problem? If so, why?
>
> IMHO, the DEBUG_KERNEL will build a big kernel and the building time
> is long, so if the we only want to look at the boot messages at panic
> point, the DEBUG_KERNEL is not needed.
Only if you enable other debug options too. (Yes, some default to on,
perhaps they shouldn't).
DEBUG_KERNEL itself shouldn't make any difference to the generated
code at all.
Dave
--
http://www.codemonkey.org.uk
prev parent reply other threads:[~2007-08-15 15:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-08 7:39 two questions about the boot_delay Dave Young
2007-08-11 23:33 ` Randy Dunlap
2007-08-15 7:45 ` Dave Young
2007-08-15 15:19 ` Dave Jones [this message]
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