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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-04-03 17:48:22 +0900 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2019-04-03 18:35:14 +0100 |
| commit | 697e96ed1720d6aad196e7a663d545df2edd44a4 (patch) | |
| tree | c4eb225ef259a71904ce94a15d45562ceb80d8ac /arch/arm64/kernel | |
| parent | 70b3d237bd7f52d3322c750a358581bf5a267699 (diff) | |
| download | linux-697e96ed1720d6aad196e7a663d545df2edd44a4.tar.bz2 | |
arm64: vdso: fix and clean-up Makefile
- $(call if_changed,...) must have FORCE as a prerequisite
- vdso.lds is a generated file, so it should be prefixed with
$(obj)/ instead of $(src)/.
- cmd_vdsosym is a one-liner rule, so the assignment with '='
is simpler.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/vdso/Makefile | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index b215c712d897..a0af6bf6c11b 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -31,7 +31,7 @@ CPPFLAGS_vdso.lds += -P -C -U$(ARCH) $(obj)/vdso.o : $(obj)/vdso.so # Link rule for the .so file, .lds has to be first -$(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) +$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE $(call if_changed,vdsold) # Strip rule for the .so file @@ -42,9 +42,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE # Generate VDSO offsets using helper script gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh quiet_cmd_vdsosym = VDSOSYM $@ -define cmd_vdsosym - $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@ -endef + cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@ include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE $(call if_changed,vdsosym) @@ -55,7 +53,7 @@ $(obj-vdso): %.o: %.S FORCE # Actual build commands quiet_cmd_vdsold = VDSOL $@ - cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@ + cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $(real-prereqs) -o $@ quiet_cmd_vdsoas = VDSOA $@ cmd_vdsoas = $(CC) $(a_flags) -c -o $@ $< |