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Daniel Drake wrote:
> Nicolas Sebrecht wrote:
>> Does someone knows a good general (and free) documentation where to
>> start ?
>
> For working with the internals, specifically driver-side stuff and the 
> mechanisms you need to write drivers, this book is really good (and 
> free):
> http://lwn.net/Kernel/LDD3/
>
> I'm also fond of this book which complements LDD3 nicely (it talks 
> about the scheduler, memory management, and a lot of other non-driver 
> stuff which LDD3 purposefully omits):
> http://rlove.org/
> It's not free though.
>
> Daniel
>

After reading/skimming "essentials" and "kernel drivers", my favourite 
way is to use Code::Blocks, make an empty project and then recursively 
import all the kernel sources into it.
It is big pile of source and import takes a few minutes, but being able 
to browse, search and jump effotlessly through the tree more than makes 
it wortwhile.

Caveat: C::B will crash during the import phase if during that time 
there is other program that significantly loads CPUs or if user 
generates gtk events by clicking on the program window.
I suspect the cause for this in wxGTK, but haven't been able to pinpoint 
it. It's good enough for me at this time...