riscv: add missing vdso_install target
Building kernel 4.20 for Fedora as RPM fails, because riscv is missing
vdso_install target in arch/riscv/Makefile.
Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index d1014619..4af153a 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -77,4 +77,8 @@
libs-y += arch/riscv/lib/
+PHONY += vdso_install
+vdso_install:
+ $(Q)$(MAKE) $(build)=arch/riscv/kernel/vdso $@
+
all: vmlinux
