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- /*
- * This module emits "Hello, world" on printk when loaded.
- *
- * It is designed to be used for basic evaluation of the module loading
- * subsystem (for example when validating module signing/verification). It
- * lacks any extra dependencies, and will not normally be loaded by the
- * system unless explicitly requested by name.
- */
- #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
- #include <linux/init.h>
- #include <linux/module.h>
- #include <linux/printk.h>
- static int __init test_module_init(void)
- {
- pr_warn("Hello, world\n");
- return 0;
- }
- module_init(test_module_init);
- static void __exit test_module_exit(void)
- {
- pr_warn("Goodbye\n");
- }
- module_exit(test_module_exit);
- MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
- MODULE_LICENSE("GPL");
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