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kcsan: Move kcsan_{disable,enable}_current() to kcsan-checks.h

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Both affect access checks, and should therefore be in kcsan-checks.h.
This is in preparation to use these in compiler.h.

Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Marco Elver 2020-03-31 21:32:32 +02:00 committed by Paul E. McKenney
parent d8949ef1d9
commit 01b4ff58f7
2 changed files with 16 additions and 16 deletions
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16
include/linux/kcsan-checks.h
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@ -36,6 +36,20 @@
*/
void __kcsan_check_access(const volatile void *ptr, size_t size, int type);
/**
* kcsan_disable_current - disable KCSAN for the current context
*
* Supports nesting.
*/
void kcsan_disable_current(void);
/**
* kcsan_enable_current - re-enable KCSAN for the current context
*
* Supports nesting.
*/
void kcsan_enable_current(void);
/**
* kcsan_nestable_atomic_begin - begin nestable atomic region
*
@ -133,6 +147,8 @@ void kcsan_end_scoped_access(struct kcsan_scoped_access *sa);
static inline void __kcsan_check_access(const volatile void *ptr, size_t size,
int type) { }
static inline void kcsan_disable_current(void) { }
static inline void kcsan_enable_current(void) { }
static inline void kcsan_nestable_atomic_begin(void) { }
static inline void kcsan_nestable_atomic_end(void) { }
static inline void kcsan_flat_atomic_begin(void) { }

16
include/linux/kcsan.h
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@ -50,25 +50,9 @@ struct kcsan_ctx {
*/
void kcsan_init(void);
/**
* kcsan_disable_current - disable KCSAN for the current context
*
* Supports nesting.
*/
void kcsan_disable_current(void);
/**
* kcsan_enable_current - re-enable KCSAN for the current context
*
* Supports nesting.
*/
void kcsan_enable_current(void);
#else /* CONFIG_KCSAN */
static inline void kcsan_init(void) { }
static inline void kcsan_disable_current(void) { }
static inline void kcsan_enable_current(void) { }
#endif /* CONFIG_KCSAN */