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Message-ID: <mvma6imr1ww.fsf@suse.de>
Date: Tue, 02 Nov 2021 16:51:43 +0100
From: Andreas Schwab <schwab@...e.de>
To: linux-riscv@...ts.infradead.org
Cc: Saleem Abdulrasool <abdulras@...gle.com>,
linux-kernel@...r.kernel.org, Palmer Dabbelt <palmer@...belt.com>,
Nathan Chancellor <nathan@...nel.org>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Bill Wendling <morbo@...gle.com>,
clang-built-linux@...glegroups.com
Subject: [PATCH] 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: fde9c59aebaf ("riscv: explicitly use symbol offsets for VDSO")
Signed-off-by: Andreas Schwab <schwab@...e.de>
---
arch/riscv/Makefile | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 0eb4568fbd29..41f3a75fe2ec 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)
--
2.33.1
--
Andreas Schwab, SUSE Labs, schwab@...e.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
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