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Old 11-29-2004, 02:32 AM   #1
prabhatsoni
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Registered: Oct 2004
Location: India
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Whether something is avilable in kernel


Hello everybody,

Can any one satisfy my queries ?
1. How can I know, whether something (say ACPI) is available in my kernel.
2. If it is not available compiled in my kernel, how can I insert this in my kernel with minimum work (existing kernel + ACPI) by re-compiling. Normally recompilation requires lot of work. What I need is simply addition of some additional thing in compilation.
3. If I want to insert a module for this "something" (ACPI), in my kernel, What will I have to do ?


Thanks in advance for the same.


Prabhat Soni

Last edited by prabhatsoni; 11-29-2004 at 02:34 AM.
 
Old 11-29-2004, 05:48 AM   #2
jp_srirengan
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Simplest way is enable the option in the kernel in the kernel using make xconfig/menuconfig.

follow the kernel compilation procedureand reboot with new kernel.

good luck
 
Old 11-29-2004, 06:33 AM   #3
bathory
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To see if you have ACPI support in your kernel, just run:
Code:
cat /usr/src/linux/.config|grep ACPI
 
Old 11-29-2004, 06:46 AM   #4
prabhatsoni
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Registered: Oct 2004
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Hi,
The recompilation proceedure is very long and cumersome (to me !!). There should be some other way around it.

And , the .config file exists only if you have a compiled at least one kernel - which is not so in my case.

My problems will be solved if the .config file corresponding to your running kernel is available even if you have installed your linux out of box. Becasuse in this case it would be easy to fire "make xconfig", and load the current .config file and make the required changes (taking a few seconds) and save the modified .config file. But it is seen that if you have installed your linux from a CD (Fedora in my case), you don't have a .config.
Is there any way by which we could do this - like reverse engineering :- given the running kernel, you generate a corresponding .config file ?


Beats me.
Any help ?

Prabhat Soni

Last edited by prabhatsoni; 11-29-2004 at 06:47 AM.
 
  


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