[linux-block.git] / kernel / kcsan / atomic.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Rules for implicitly atomic memory accesses.
 *
 * Copyright (C) 2019, Google LLC.
 */

#ifndef _KERNEL_KCSAN_ATOMIC_H
#define _KERNEL_KCSAN_ATOMIC_H

#include <linux/types.h>

/*
 * Special rules for certain memory where concurrent conflicting accesses are
 * common, however, the current convention is to not mark them; returns true if
 * access to @ptr should be considered atomic. Called from slow-path.
 */
static bool kcsan_is_atomic_special(const volatile void *ptr)
{
	return false;
}

#endif /* _KERNEL_KCSAN_ATOMIC_H */
Commit	Line	Data
dfd402a4	1	/* SPDX-License-Identifier: GPL-2.0 */
bd0ccc4a ME	2	/*
	3	* Rules for implicitly atomic memory accesses.
	4	*
	5	* Copyright (C) 2019, Google LLC.
	6	*/
dfd402a4 ME	7
	8	#ifndef _KERNEL_KCSAN_ATOMIC_H
	9	#define _KERNEL_KCSAN_ATOMIC_H
	10
7e766560	11	#include <linux/types.h>
dfd402a4 ME	12
dfd402a4 ME	13	/*
44656d3d ME	14	* Special rules for certain memory where concurrent conflicting accesses are
	15	* common, however, the current convention is to not mark them; returns true if
	16	* access to @ptr should be considered atomic. Called from slow-path.
dfd402a4	17	*/
44656d3d	18	static bool kcsan_is_atomic_special(const volatile void *ptr)
dfd402a4	19	{
7e766560	20	return false;
dfd402a4 ME	21	}
	22
	23	#endif /* _KERNEL_KCSAN_ATOMIC_H */