OpenCloudOS-Kernel/kernel/kcsan/atomic.h

24 lines
575 B
C

/* 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 */