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-rw-r--r--include/linux/lockdep.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 425b4ceb7cd0..206774ac6946 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -711,6 +711,21 @@ do { \
# define lockdep_assert_in_irq() do { } while (0)
#endif
+#ifdef CONFIG_PROVE_RAW_LOCK_NESTING
+
+# define lockdep_assert_RT_in_threaded_ctx() do { \
+ WARN_ONCE(debug_locks && !current->lockdep_recursion && \
+ current->hardirq_context && \
+ !(current->hardirq_threaded || current->irq_config), \
+ "Not in threaded context on PREEMPT_RT as expected\n"); \
+} while (0)
+
+#else
+
+# define lockdep_assert_RT_in_threaded_ctx() do { } while (0)
+
+#endif
+
#ifdef CONFIG_LOCKDEP
void lockdep_rcu_suspicious(const char *file, const int line, const char *s);
#else