Re: kernel module

[Kristof Provost <Kristof@provost-engineering.be>]

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Hi,

On 2007-11-12 19:29:17 (+0530), Rajeh kuri <rajeshkuri@gmail.com> wrote:
> Hi,
> 
> Is there any ways to invoke/call the function (kernel module
> functions) from compiled base kernel. Well that statement sounds
> strange.
> 
> I will try to simplify that statement, with problem I faced.
> I have written a kernel module but it is of no use till I call one of
> its function from kernel, and hence i modified the kernel source to
> call this function and then compiled the kernel. Now the problem is
> obliviously 'linker cannot resolve the symbol. Because I'm trying to
> call the function which is available only after I insert the kernel
> module.
The problem is that you're calling code compiled as a module from code
compiled into the kernel. That means you either compile both parts as a 
module, or compile both of them into the kernel.
Kbuild/Kconfig has supports this type of dependency because it's quite
common.

Kristof

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