mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 15:13:55 +08:00
9c92ab6191
Based on 1 normalized pattern(s): this software is licensed under the terms of the gnu general public license version 2 as published by the free software foundation and may be copied distributed and modified under those terms this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 285 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
// 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_LICENSE("GPL");
|