RE: Kernel cmdline

RE: Kernel cmdline

[Jenkins, Clive]

> From: linuxppc-embedded-bounces@ozlabs.org
[mailto:linuxppc-embedded-bounces@ozlabs.org] On Behalf Of Achim Machura
> Sent: 22 December 2005 13:48
> To: Linuxppc-Embedded (E-Mail)
> Subject: Kernel cmdline
>
>
> Hello,
>
> is the a posibility to read (parse) the cmdline in a driver, similar
to cat
> /proc/cmdline ?
>
> best regards
>
> Achim

Yes. Look at:
http://lxr.linux.no/source/init/main.c?v=3D2.6.10;a=3Dppc#L123
Clive
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AW: Kernel cmdline

[Achim Machura]

> Yes. Look at:
> http://lxr.linux.no/source/init/main.c?v=2.6.10;a=ppc#L123
> Clive

Thanks,

but this exaple seems to work only with modules staticly linked into the
kernel.

I' ve to parse the commandline in a dynamic loaded modul.

Achim

Re: AW: Kernel cmdline

[Kumar Gala]

On Dec 22, 2005, at 9:35 AM, Achim Machura wrote:

>
>> Yes. Look at:
>> http://lxr.linux.no/source/init/main.c?v=2.6.10;a=ppc#L123
>> Clive
>
> Thanks,
>
> but this exaple seems to work only with modules staticly linked  
> into the
> kernel.
>
> I' ve to parse the commandline in a dynamic loaded modul.

Why would you want to do this.  Anyways, the cmd_line is to exported  
to modules.  You can provide modules there own params

- kumar

AW: AW: Kernel cmdline

[Achim Machura]

Hello, 

> > I' ve to parse the commandline in a dynamic loaded modul.
> 
> Why would you want to do this.  Anyways, the cmd_line is to exported  
> to modules.  You can provide modules there own params

i want check an argument given by the bootloader via commandline

Achim

Re: AW: AW: Kernel cmdline

[Arnd Bergmann]

On Thursday 22 December 2005 16:01, Achim Machura wrote:
> i want check an argument given by the bootloader via commandline
> 
You should use module_param() for this, that will take care
of both kernel and module parameters, for more information,
see http://lwn.net/Articles/22197/.

	Arnd <><