Thanks for the help. I have removed the "static" from the hello_init, hello_exti but nothing worked. I am not sure, but I think the problem is with the make file.
On Sun, Oct 27, 2019 at 5:44 PM Bernd Petrovitsch <bernd@xxxxxxxxxxxxxxxxxxx> wrote:
Hi all!
On 25/10/2019 11:14, Irfan Ullah (울라 이르판) wrote:
> Dear All,
> I have developed a kernel module consists of one source file that sends
> and receives message to the user space. I have spitted the source code
> in two files, and now I am trying to develop kernel module from these
> source files. After compiling and linking without any problems, I insmod
> the module but I didn’t see any of the printk() I wrote, in fact, the
> module can be inserted and removed, but it does nothing. Code is in the
> attached file zipped file.
> I tried many things , e.g., link <https://paguilar.org/?p=7>1, link2
> <https://www.linuxquestions.org/questions/linux-kernel-70/kernel-module-with-multiple-source-files-not-initializing-886190/>;,
> and link3
> <https://android.googlesource.com/kernel/msm/+/android-msm-dory-3.10-kitkat-wear/Documentation/kbuild/modules.txt> etc.
> but nothings worked out.
> I also used /nm/ to inspect the module, but, as expected, there was no> signs of "__init and __exit" functions can in the output.
To be exact, you are looking for the hello_init function.
Since "nm" doesn't show it, it's either not there or
"static".
[ for the nm-output see in the OPs mail ]
> Can you please help me: what's the problem/mistake I am doing?
> Thank you very much.
Get rid of the "static" for the hello_init and hello_exit function.
MfG,
Bernd
--
Bernd Petrovitsch Email : bernd@xxxxxxxxxxxxxxxxxxx
LUGA : http://www.luga.at
Best Regards,
Mr. Irfan Ullah
PhD Candidate
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sahibzada_irfanullah
Data and Knowledge Engineering(DKE) Lab
Department of Computer Science and Engineering
Kyung Hee University, South Korea.
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