v4.19.13 snapshot.
diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h
new file mode 100644
index 0000000..c53984f
--- /dev/null
+++ b/include/asm-generic/signal.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_GENERIC_SIGNAL_H
+#define __ASM_GENERIC_SIGNAL_H
+
+#include <uapi/asm-generic/signal.h>
+
+#ifndef __ASSEMBLY__
+#ifdef SA_RESTORER
+#endif
+
+#include <asm/sigcontext.h>
+#undef __HAVE_ARCH_SIG_BITOPS
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_GENERIC_SIGNAL_H */