A simple kernel module for linux FC4(kernel version 2.6.11-1.1369_FC4smp)

1. Install linux kernel 2.6.11 source code.
rpm -Uvh kernel-smp-2.6.11-1.1369_FC4.i686.rpm

2. Install kernel develpment package.
rpm -Uvh kernel-smp-devel-2.6.11-1.1369_FC4.i686.rpm

3. A simple kernel module code and makefile

/***************************************************************
* file:  hello.c
* author: wenxy,[email protected], 20080320,a.m.
* fix history:
*
***************************************************************/
#ifndef __KERNEL__
        #define __KERNEL__
#endif
#ifndef MODULE
        #define MODULE
#endif
#include <linux/init.h>;
#include <linux/module.h>;
#include <linux/kernel.h>;

static int hello_init(void)
{
        printk(KERN_ALERT "Hello, The fucking crazy world/n");
        return 0;
}

static void hello_exit(void)
{
        printk(KERN_ALERT "Bye, The fucking crazy world!/n");
}

module_init(hello_init);
module_exit(hello_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("albcamus <[email protected]>;");


#***************************************************************
# file:  Makefile for linux kernel 2.6
# author: wenxy,[email protected], 20080320,a.m.
# fix history:
#
#***************************************************************

ifneq ($(KERNELRELEASE),)
#kbuild syntax. dependency relationshsip of files and target modules are listed here.
mymodule-objs := hello.o

obj-m := hello.o

else
PWD  := $(shell pwd)
KVER := $(shell uname -r)
KDIR := /lib/modules/$(KVER)/build
all:
        $(MAKE) -C $(KDIR) M=$(PWD)
       
.phoney: clean run exit
clean:
        rm -rf .*.cmd *.o *.mod.c *.ko .tmp_versions
run:
    insmod hello.ko
exit:
    rmmod hello.ko
endif