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