[linux-block.git] / include / linux / kasan-enabled.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_KASAN_ENABLED_H
#define _LINUX_KASAN_ENABLED_H

#include <linux/static_key.h>

#ifdef CONFIG_KASAN_HW_TAGS

DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled);

static __always_inline bool kasan_enabled(void)
{
	return static_branch_likely(&kasan_flag_enabled);
}

static inline bool kasan_hw_tags_enabled(void)
{
	return kasan_enabled();
}

#else /* CONFIG_KASAN_HW_TAGS */

static inline bool kasan_enabled(void)
{
	return IS_ENABLED(CONFIG_KASAN);
}

static inline bool kasan_hw_tags_enabled(void)
{
	return false;
}

#endif /* CONFIG_KASAN_HW_TAGS */

#endif /* LINUX_KASAN_ENABLED_H */
Commit	Line	Data
f9b5e46f PC	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	#ifndef _LINUX_KASAN_ENABLED_H
	3	#define _LINUX_KASAN_ENABLED_H
	4
d8fd5a1e JG	5	#include <linux/static_key.h>
d8fd5a1e JG	6
f9b5e46f PC	7	#ifdef CONFIG_KASAN_HW_TAGS
	8
	9	DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled);
	10
	11	static __always_inline bool kasan_enabled(void)
	12	{
	13	return static_branch_likely(&kasan_flag_enabled);
	14	}
	15
	16	static inline bool kasan_hw_tags_enabled(void)
	17	{
	18	return kasan_enabled();
	19	}
	20
	21	#else /* CONFIG_KASAN_HW_TAGS */
	22
	23	static inline bool kasan_enabled(void)
	24	{
	25	return IS_ENABLED(CONFIG_KASAN);
	26	}
	27
	28	static inline bool kasan_hw_tags_enabled(void)
	29	{
	30	return false;
	31	}
	32
	33	#endif /* CONFIG_KASAN_HW_TAGS */
	34
	35	#endif /* LINUX_KASAN_ENABLED_H */