From 9e9c19185059163e6196fb885ffae006def8f324 Mon Sep 17 00:00:00 2001
From: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Date: Sat, 5 Dec 2009 12:34:34 -0200
Subject: [PATCH] Linux kernel module hello world!

---
 Makefile | 11 +++++++++++
 hello.c  | 17 +++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 Makefile
 create mode 100644 hello.c

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..d26e7c6
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,11 @@
+ifneq ($(KERNELRELEASE),)
+	obj-m := hello.o
+else
+	KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+	PWD := $(shell pwd)
+default:
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
+
+clean:
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) clean
+endif
diff --git a/hello.c b/hello.c
new file mode 100644
index 0000000..01e8c26
--- /dev/null
+++ b/hello.c
@@ -0,0 +1,17 @@
+#include <linux/module.h>
+
+MODULE_LICENSE("GPL");
+
+static int hello_init(void)
+{
+	printk(KERN_ALERT "Hello, world!\n");
+	return 0;
+}
+
+static void hello_exit(void)
+{
+	printk(KERN_ALERT "Goodbye, cruel world!\n");
+}
+
+module_init(hello_init);
+module_exit(hello_exit);
-- 
2.20.1