Implements tests for kernel modules

examples/kernel-module/Makefile

@@ -1,5 +1,6 @@
 # out-of-tree called make with two arguments -- kernel headers path and name
 # of target binary that MUST be produced by makefile
+# - $(TARGET).ko_test: name of test binary that MUST be produced by makefile
 # e.g.:
 #    make KERNEL=/lib/modules/4.8.0-58-generic/build TARGET=hello-world.ko
 KERNEL := /lib/modules/$(shell uname -r)/build
@@ -10,6 +11,7 @@ $(TARGET)-objs = module.o
 
 all:
 	make -C $(KERNEL) M=$(PWD) modules
+	cp test.sh $(TARGET).ko_test
 
 clean:
 	make -C $(KERNEL) M=$(PWD) clean

examples/kernel-module/module.c

@@ -3,6 +3,7 @@
 
 int init_module(void)
 {
+	printk("COOKIE!\n");
 	return 0;
 }
 

examples/kernel-module/test.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+# check for message in kernel log
+dmesg | grep COOKIE