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- // SPDX-License-Identifier: GPL-2.0-only
- /*
- * Kernel module for testing static keys.
- *
- * Copyright 2015 Akamai Technologies Inc. All Rights Reserved
- *
- * Authors:
- * Jason Baron <[email protected]>
- */
- #include <linux/module.h>
- #include <linux/jump_label.h>
- /* old keys */
- struct static_key base_old_true_key = STATIC_KEY_INIT_TRUE;
- EXPORT_SYMBOL_GPL(base_old_true_key);
- struct static_key base_inv_old_true_key = STATIC_KEY_INIT_TRUE;
- EXPORT_SYMBOL_GPL(base_inv_old_true_key);
- struct static_key base_old_false_key = STATIC_KEY_INIT_FALSE;
- EXPORT_SYMBOL_GPL(base_old_false_key);
- struct static_key base_inv_old_false_key = STATIC_KEY_INIT_FALSE;
- EXPORT_SYMBOL_GPL(base_inv_old_false_key);
- /* new keys */
- DEFINE_STATIC_KEY_TRUE(base_true_key);
- EXPORT_SYMBOL_GPL(base_true_key);
- DEFINE_STATIC_KEY_TRUE(base_inv_true_key);
- EXPORT_SYMBOL_GPL(base_inv_true_key);
- DEFINE_STATIC_KEY_FALSE(base_false_key);
- EXPORT_SYMBOL_GPL(base_false_key);
- DEFINE_STATIC_KEY_FALSE(base_inv_false_key);
- EXPORT_SYMBOL_GPL(base_inv_false_key);
- static void invert_key(struct static_key *key)
- {
- if (static_key_enabled(key))
- static_key_disable(key);
- else
- static_key_enable(key);
- }
- static int __init test_static_key_base_init(void)
- {
- invert_key(&base_inv_old_true_key);
- invert_key(&base_inv_old_false_key);
- invert_key(&base_inv_true_key.key);
- invert_key(&base_inv_false_key.key);
- return 0;
- }
- static void __exit test_static_key_base_exit(void)
- {
- }
- module_init(test_static_key_base_init);
- module_exit(test_static_key_base_exit);
- MODULE_AUTHOR("Jason Baron <[email protected]>");
- MODULE_LICENSE("GPL");
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