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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _KERNEL_KCSAN_ATOMIC_H
#define _KERNEL_KCSAN_ATOMIC_H
#include <linux/jiffies.h>
#include <linux/sched.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)
{
/* volatile globals that have been observed in data races. */
return ptr == &jiffies || ptr == ¤t->state;
}
#endif /* _KERNEL_KCSAN_ATOMIC_H */
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