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From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Paul Bolle <pebolle@tiscali.nl>
Cc: oskar.andero@sonyericsson.com, nicolas.pitre@linaro.org,
	linux@arm.linux.org.uk, catalin.marinas@arm.com,
	will.deacon@arm.com, linux-kernel@vger.kernel.org,
	eric.y.miao@gmail.com, linux-arm-kernel@lists.infradead.org,
	Victor Boivie <victor.boivie@sonyericsson.com>
Subject: Re: [PATCH] ARM: Allow for kernel command line concatenation
Date: Thu, 7 Apr 2011 12:58:50 +0200	[thread overview]
Message-ID: <20110407105850.GJ13963@pengutronix.de> (raw)
In-Reply-To: <1302172525.24493.7.camel@t41.thuisdomein>

On Thu, Apr 07, 2011 at 12:35:01PM +0200, Paul Bolle wrote:
> On Thu, 2011-04-07 at 10:17 +0200, oskar.andero@sonyericsson.com wrote:
> > +config CMDLINE_EXTEND
> > +	bool "Extend bootloader kernel arguments"
> > +	depends on CMDLINE != ""
> > +	help
> > +	  The default kernel command string will be concatenated with the
> > +	  arguments provided by the boot loader.
> 
> This suggests the parameters provided by the boot loader will override
> corresponding parameters of the default kernel command string. Is that
> correct (for all possible parameters)?
> 
> Either way, shouldn't it be documented, perhaps in this help text, what
> will happen if a parameter of the default kernel command string and a
> parameter provided by the boot loader somehow conflict?
Then you will end up with both parameters I guess. What happens depends
on the parameter in question I guess. IMHO the description is fine.
But I wonder if the new mechanism is useful in the end.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

  reply	other threads:[~2011-04-07 10:59 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-07  8:17 [PATCH] ARM: Allow for kernel command line concatenation oskar.andero
2011-04-07  9:01 ` Uwe Kleine-König
2011-04-07 10:35 ` Paul Bolle
2011-04-07 10:58   ` Uwe Kleine-König [this message]
2011-04-07 11:38     ` Boivie, Victor
2011-04-07 13:18 ` Nick Bowler
2011-04-07 13:22   ` Boivie, Victor
2011-04-07 11:47 oskar.andero
2011-04-07 13:29 oskar.andero
2011-04-07 18:50 ` Nicolas Pitre
2011-04-07 19:15 ` Uwe Kleine-König
2011-04-08  9:36 oskar.andero
2011-05-04 15:03 ` oskar.andero
2011-05-04 15:11   ` Uwe Kleine-König
2011-05-04 16:10     ` oskar.andero

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