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Diffstat (limited to 'kernel')
-rw-r--r--kernel/kcsan/core.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/kcsan/core.c b/kernel/kcsan/core.c
index 15f67949d11e..1866bafda4fd 100644
--- a/kernel/kcsan/core.c
+++ b/kernel/kcsan/core.c
@@ -754,6 +754,7 @@ EXPORT_SYMBOL(__kcsan_check_access);
*/
#define DEFINE_TSAN_READ_WRITE(size) \
+ void __tsan_read##size(void *ptr); \
void __tsan_read##size(void *ptr) \
{ \
check_access(ptr, size, 0); \
@@ -762,6 +763,7 @@ EXPORT_SYMBOL(__kcsan_check_access);
void __tsan_unaligned_read##size(void *ptr) \
__alias(__tsan_read##size); \
EXPORT_SYMBOL(__tsan_unaligned_read##size); \
+ void __tsan_write##size(void *ptr); \
void __tsan_write##size(void *ptr) \
{ \
check_access(ptr, size, KCSAN_ACCESS_WRITE); \
@@ -777,12 +779,14 @@ DEFINE_TSAN_READ_WRITE(4);
DEFINE_TSAN_READ_WRITE(8);
DEFINE_TSAN_READ_WRITE(16);
+void __tsan_read_range(void *ptr, size_t size);
void __tsan_read_range(void *ptr, size_t size)
{
check_access(ptr, size, 0);
}
EXPORT_SYMBOL(__tsan_read_range);
+void __tsan_write_range(void *ptr, size_t size);
void __tsan_write_range(void *ptr, size_t size)
{
check_access(ptr, size, KCSAN_ACCESS_WRITE);
@@ -799,6 +803,7 @@ EXPORT_SYMBOL(__tsan_write_range);
* the size-check of compiletime_assert_rwonce_type().
*/
#define DEFINE_TSAN_VOLATILE_READ_WRITE(size) \
+ void __tsan_volatile_read##size(void *ptr); \
void __tsan_volatile_read##size(void *ptr) \
{ \
const bool is_atomic = size <= sizeof(long long) && \
@@ -811,6 +816,7 @@ EXPORT_SYMBOL(__tsan_write_range);
void __tsan_unaligned_volatile_read##size(void *ptr) \
__alias(__tsan_volatile_read##size); \
EXPORT_SYMBOL(__tsan_unaligned_volatile_read##size); \
+ void __tsan_volatile_write##size(void *ptr); \
void __tsan_volatile_write##size(void *ptr) \
{ \
const bool is_atomic = size <= sizeof(long long) && \
@@ -836,14 +842,17 @@ DEFINE_TSAN_VOLATILE_READ_WRITE(16);
* The below are not required by KCSAN, but can still be emitted by the
* compiler.
*/
+void __tsan_func_entry(void *call_pc);
void __tsan_func_entry(void *call_pc)
{
}
EXPORT_SYMBOL(__tsan_func_entry);
+void __tsan_func_exit(void);
void __tsan_func_exit(void)
{
}
EXPORT_SYMBOL(__tsan_func_exit);
+void __tsan_init(void);
void __tsan_init(void)
{
}