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Related

recompiling the Pi Kernel

dharr19
dharr19 over 13 years ago

Hi,

 

I was hoping to find the documentation on getting and then recompiling a kernel that will work with Pi.

 

Any hints or clues are appreciated

Cheers

David

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  • fustini
    fustini over 13 years ago

    I had followed the eLinux wiki instructions: http://elinux.org/RPi_Kernel_Compilation

     

    Here's how I compiled my kernel back in April:

    http://www.element14.com/community/docs/DOC-44948/l/compiling-linux-kernel-staging-driver-modules

     

    I need to do it again soon, so I'll have to see if I pick up any new tricks this time around.

     

    update: bootc.net documents a different approach but I've not tried it yet: http://www.bootc.net/archives/2012/05/26/how-to-build-a-cross-compiler-for-your-raspberry-pi/

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  • morgaine
    morgaine over 13 years ago in reply to fustini

    Cross-compiling on a more powerful machine is of course the sensible thing to do, not only for speed but to avoid an enormous number of rewrite cycles on the SD card.

     

    Just out of curiosity though, has anyone actually timed how long it would take to compile a kernel natively on Pi?  I'm also curious about whether the main thing that constrains native compilation speed on Pi is CPU or filestore.

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  • morgaine
    morgaine over 13 years ago in reply to fustini

    Cross-compiling on a more powerful machine is of course the sensible thing to do, not only for speed but to avoid an enormous number of rewrite cycles on the SD card.

     

    Just out of curiosity though, has anyone actually timed how long it would take to compile a kernel natively on Pi?  I'm also curious about whether the main thing that constrains native compilation speed on Pi is CPU or filestore.

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