--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -79,7 +79,7 @@ $(obj-vdso): KBUILD_AFLAGS := $(aflags-v
 
 $(obj)/vdso.lds: KBUILD_CPPFLAGS := $(ccflags-vdso) $(native-abi)
 
-$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE
+$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) $(obj)/genvdso FORCE
 	$(call if_changed,vdsold)
 
 $(obj)/vdso-image.c: $(obj)/vdso.so.dbg $(obj)/genvdso FORCE
@@ -113,7 +113,7 @@ $(obj)/vdso-o32.lds: KBUILD_CPPFLAGS :=
 $(obj)/vdso-o32.lds: $(src)/vdso.lds.S FORCE
 	$(call if_changed_dep,cpp_lds_S)
 
-$(obj)/vdso-o32.so.dbg: $(obj)/vdso-o32.lds $(obj-vdso-o32) FORCE
+$(obj)/vdso-o32.so.dbg: $(obj)/vdso-o32.lds $(obj-vdso-o32) $(obj)/genvdso FORCE
 	$(call if_changed,vdsold)
 
 $(obj)/vdso-o32-image.c: VDSO_NAME := o32
@@ -149,7 +149,7 @@ $(obj)/vdso-n32.lds: KBUILD_CPPFLAGS :=
 $(obj)/vdso-n32.lds: $(src)/vdso.lds.S FORCE
 	$(call if_changed_dep,cpp_lds_S)
 
-$(obj)/vdso-n32.so.dbg: $(obj)/vdso-n32.lds $(obj-vdso-n32) FORCE
+$(obj)/vdso-n32.so.dbg: $(obj)/vdso-n32.lds $(obj-vdso-n32) $(obj)/genvdso FORCE
 	$(call if_changed,vdsold)
 
 $(obj)/vdso-n32-image.c: VDSO_NAME := n32