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arm64: vdso: fix makefile dependency on vdso.so

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There is currently no dependency for vdso*-wrap.S on vdso*.so, which means that
you can get a build that uses a stale vdso*-wrap.o.

In commit a5b8ca97fb, the file that includes the vdso.so was moved and renamed
from arch/arm64/kernel/vdso/vdso.S to arch/arm64/kernel/vdso-wrap.S, when this
happened the Makefile was not updated to force the dependcy on vdso.so.

Fixes: a5b8ca97fb ("arm64: do not descend to vdso directories twice")
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20220510102721.50811-1-joey.gouly@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Joey Gouly
2022-05-10 11:27:21 +01:00
committed by Will Deacon
parent c35fe2a68f
commit 205f3991a2
3 changed files with 4 additions and 6 deletions
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3
arch/arm64/kernel/vdso32/Makefile
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@@ -131,9 +131,6 @@ obj-vdso := $(c-obj-vdso) $(c-obj-vdso-gettimeofday) $(asm-obj-vdso)
targets += vdso.lds
CPPFLAGS_vdso.lds += -P -C -U$(ARCH)
# Force dependency (vdso.s includes vdso.so through incbin)
$(obj)/vdso.o: $(obj)/vdso.so
include/generated/vdso32-offsets.h: $(obj)/vdso.so.dbg FORCE
$(call if_changed,vdsosym)