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authorMarco Elver <elver@google.com>2020-03-31 21:32:32 +0200
committerPaul E. McKenney <paulmck@kernel.org>2020-04-13 17:18:14 -0700
commit01b4ff58f72dbee926077d9afa0650f6e685e866 (patch)
tree9511655aab9c348cebd0a4dc5078d3688c237fcb /include/linux/kcsan-checks.h
parentd8949ef1d9f1062848cd068cf369a57ce33dae6f (diff)
kcsan: Move kcsan_{disable,enable}_current() to kcsan-checks.h
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>
Diffstat (limited to 'include/linux/kcsan-checks.h')
-rw-r--r--include/linux/kcsan-checks.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/kcsan-checks.h b/include/linux/kcsan-checks.h
index 101df7f46d89..ef95ddc49182 100644
--- a/include/linux/kcsan-checks.h
+++ b/include/linux/kcsan-checks.h
@@ -37,6 +37,20 @@
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
*
* Accesses within the atomic region may appear to race with other accesses but
@@ -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) { }