Unverified Commit 5a19c7e0 authored Nov 02, 2021 by Andreas Schwab Committed by Palmer Dabbelt Nov 18, 2021

riscv: fix building external modules



When building external modules, vdso_prepare should not be run.  If the
kernel sources are read-only, it will fail.

Fixes: fde9c59a ("riscv: explicitly use symbol offsets for VDSO")
Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

parent 12c484c1

arch/riscv/Makefile

+2 −0

Original line number	Diff line number	Diff line
		@@ -107,11 +107,13 @@ PHONY += vdso_install
		vdso_install:
		$(Q)$(MAKE) $(build)=arch/riscv/kernel/vdso $@

		ifeq ($(KBUILD_EXTMOD),)
		ifeq ($(CONFIG_MMU),y)
		prepare: vdso_prepare
		vdso_prepare: prepare0
		$(Q)$(MAKE) $(build)=arch/riscv/kernel/vdso include/generated/vdso-offsets.h
		endif
		endif

		ifneq ($(CONFIG_XIP_KERNEL),y)
		ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_SOC_CANAAN),yy)