From: Andreas Schwab schwab@suse.de
[ Upstream commit 5a19c7e06236a9c55dfc001bb4d1a8f1950d23e7 ]
When building external modules, vdso_prepare should not be run. If the kernel sources are read-only, it will fail.
Fixes: fde9c59aebaf ("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 Signed-off-by: Sasha Levin sashal@kernel.org --- arch/riscv/Makefile | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 0eb4568fbd290..41f3a75fe2ec8 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -108,11 +108,13 @@ 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)