Index: sys/riscv/include/param.h
===================================================================
--- sys/riscv/include/param.h
+++ sys/riscv/include/param.h
@@ -42,6 +42,8 @@
 #define	STACKALIGNBYTES	(16 - 1)
 #define	STACKALIGN(p)	((uint64_t)(p) & ~STACKALIGNBYTES)
 
+#define __PCI_REROUTE_INTERRUPT
+
 #ifndef MACHINE
 #define	MACHINE		"riscv"
 #endif