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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162// SPDX-License-Identifier: GPL-2.0-only/* * Kernel module for testing static keys. * * Copyright 2015 Akamai Technologies Inc. All Rights Reserved * * Authors: * Jason Baron <jbaron@akamai.com> */
#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 <jbaron@akamai.com>");MODULE_DESCRIPTION("Kernel module to support testing static keys");MODULE_LICENSE("GPL");