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| author | Masahiro Yamada <masahiroy@kernel.org> | 2023-11-22 02:56:59 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-02-08 15:22:08 +0300 |
| commit | 329b77b59f83440e98d792800501e5a398806860 (patch) | |
| tree | 06162fbb7644dab6a959f53be07a7b51fd3da37b /arch | |
| parent | 31a4ebee0d16a141b18730977963d0e7290b9bd2 (diff) | |
| download | linux-329b77b59f83440e98d792800501e5a398806860.tar.xz | |
x86/vdso: Simplify obj-y addition
Add objects to obj-y in a more straightforward way.
CONFIG_X86_32 and CONFIG_IA32_EMULATION are not enabled simultaneously,
but even if they are, Kbuild graciously deduplicates obj-y entries.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20231121235701.239606-3-masahiroy@kernel.org
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/entry/vdso/Makefile | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile index 2038d9c8e527..cbfb5aab5e9c 100644 --- a/arch/x86/entry/vdso/Makefile +++ b/arch/x86/entry/vdso/Makefile @@ -18,11 +18,6 @@ OBJECT_FILES_NON_STANDARD := y # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. KCOV_INSTRUMENT := n -VDSO64-$(CONFIG_X86_64) := y -VDSOX32-$(CONFIG_X86_X32_ABI) := y -VDSO32-$(CONFIG_X86_32) := y -VDSO32-$(CONFIG_IA32_EMULATION) := y - # files to link into the vdso vobjs-y := vdso-note.o vclock_gettime.o vgetcpu.o vobjs32-y := vdso32/note.o vdso32/system_call.o vdso32/sigreturn.o @@ -38,11 +33,11 @@ OBJECT_FILES_NON_STANDARD_vma.o := n OBJECT_FILES_NON_STANDARD_extable.o := n # vDSO images to build -vdso_img-$(VDSO64-y) += 64 -vdso_img-$(VDSOX32-y) += x32 -vdso_img-$(VDSO32-y) += 32 +obj-$(CONFIG_X86_64) += vdso-image-64.o +obj-$(CONFIG_X86_X32_ABI) += vdso-image-x32.o +obj-$(CONFIG_X86_32) += vdso-image-32.o vdso32-setup.o +obj-$(CONFIG_IA32_EMULATION) += vdso-image-32.o vdso32-setup.o -obj-$(VDSO32-y) += vdso32-setup.o OBJECT_FILES_NON_STANDARD_vdso32-setup.o := n vobjs := $(foreach F,$(vobjs-y),$(obj)/$F) @@ -53,9 +48,6 @@ $(obj)/vdso.o: $(obj)/vdso.so targets += vdso.lds $(vobjs-y) targets += vdso32/vdso32.lds $(vobjs32-y) -# Build the vDSO image C files and link them in. -vdso_img_objs := $(vdso_img-y:%=vdso-image-%.o) -obj-y += $(vdso_img_objs) targets += $(foreach x, 64 x32 32, vdso-image-$(x).c vdso$(x).so vdso$(x).so.dbg) CPPFLAGS_vdso.lds += -P -C |