2014-03-15 9:59 GMT+05:30 Rahul Garg <rahul.lnmiit@gmail.com>:
Hi,
Being newbie to kernel, I downloaded the source code of stable kernel code[3.13.6].
I am curios to know why you are doing a source build of the stable kernel in the first place when your code is going to be a kernel module. You can just install the kernel-devel or similar RPM provided by your distro and develop your kernel module against the running kernel. It will make your life a lot simpler. The only reason that I could think of when you may want to build a source build of the kernel and then build a KMP against this kernel build is when you have some changes in the kernel source tree itself. But I believe that stable will be a wrong choice for that if you want to upstream you changes and the master may be a better fit.
Then I build it using make oldconfig && make prepare.
Now when I am trying build my kernel module against this source code. But I am unable to do so, Here is the error I am getting
make -C /home/rahul/linux-3.13.6 M=/home/rahul/KerenelTryouts modules make[1]: Entering directory `/home/rahul/linux-3.13.6'
WARNING: Symbol version dump /home/rahul/linux-3.13.6/Module.symvers is missing; modules will have no dependencies and modversions.
CC [M] /home/rahul/KerenelTryouts/test.o /bin/sh: 1: /home/rahul/linux-3.13.6/scripts/recordmcount: not found make[2]: *** [/home/rahul/KerenelTryouts/test.o] Error 127 make[1]: *** [_module_/home/rahul/KerenelTryouts] Error 2 make[1]: Leaving directory `/home/rahul/linux-3.13.6' make: *** [all] Error 2
Here is my make file for your reference
KERNELDIR=/home/rahul/linux-3.13.6
obj-m += test.o
all: ifneq ($(KERNELDIR), ) make -C $(KERNELDIR) M=$(PWD) modules else make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules endif
clean: make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
Please help me out with this.
Regards Rahul
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