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-rw-r--r--kernel/locking/irqflag-debug.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/locking/irqflag-debug.c b/kernel/locking/irqflag-debug.c
new file mode 100644
index 0000000000..810b50344d
--- /dev/null
+++ b/kernel/locking/irqflag-debug.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/bug.h>
+#include <linux/export.h>
+#include <linux/irqflags.h>
+
+noinstr void warn_bogus_irq_restore(void)
+{
+ instrumentation_begin();
+ WARN_ONCE(1, "raw_local_irq_restore() called with IRQs enabled\n");
+ instrumentation_end();
+}
+EXPORT_SYMBOL(warn_bogus_irq_restore);