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arm64: vdso32: make vdso32 install conditional 

vdso32 should only be installed if CONFIG_COMPAT_VDSO is enabled,
since it's not even supposed to be compiled otherwise, and arm64
builds without a 32bit crosscompiler will fail.

Fixes: 8d75785a81 ("ARM64: vdso32: Install vdso32 from vdso_install")
Signed-off-by: Frank van der Linden <fllinden@amazon.com>
Cc: stable@vger.kernel.org [5.4+]
Link: https://lore.kernel.org/r/20200827234012.19757-1-fllinden@amazon.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Frank van der Linden 2020-08-27 23:40:12 +00:00 committed by Catalin Marinas
parent 1764c3edc6
commit 5d28ba5f8a
1 changed files with 2 additions and 1 deletions
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3
arch/arm64/Makefile
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@ -170,7 +170,8 @@ zinstall install:
PHONY += vdso_install
vdso_install:
$(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@
$(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso32 $@
$(if $(CONFIG_COMPAT_VDSO), \
$(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso32 $@)
# We use MRPROPER_FILES and CLEAN_FILES now
archclean: