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-rw-r--r--kernel/locking/lockdep_internals.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h
index baca699b94e9..de49f9e1c11b 100644
--- a/kernel/locking/lockdep_internals.h
+++ b/kernel/locking/lockdep_internals.h
@@ -19,9 +19,13 @@ enum lock_usage_bit {
#include "lockdep_states.h"
#undef LOCKDEP_STATE
LOCK_USED,
- LOCK_USAGE_STATES
+ LOCK_USED_READ,
+ LOCK_USAGE_STATES,
};
+/* states after LOCK_USED_READ are not traced and printed */
+static_assert(LOCK_TRACE_STATES == LOCK_USAGE_STATES);
+
#define LOCK_USAGE_READ_MASK 1
#define LOCK_USAGE_DIR_MASK 2
#define LOCK_USAGE_STATE_MASK (~(LOCK_USAGE_READ_MASK | LOCK_USAGE_DIR_MASK))
@@ -40,6 +44,7 @@ enum {
#include "lockdep_states.h"
#undef LOCKDEP_STATE
__LOCKF(USED)
+ __LOCKF(USED_READ)
};
#define LOCKDEP_STATE(__STATE) LOCKF_ENABLED_##__STATE |
@@ -119,7 +124,7 @@ static const unsigned long LOCKF_USED_IN_IRQ_READ =
extern struct list_head all_lock_classes;
extern struct lock_chain lock_chains[];
-#define LOCK_USAGE_CHARS (1+LOCK_USAGE_STATES/2)
+#define LOCK_USAGE_CHARS (2*XXX_LOCK_USAGE_STATES + 1)
extern void get_usage_chars(struct lock_class *class,
char usage[LOCK_USAGE_CHARS]);