Re: [PATCH v2 7/8] kbuild: use obj-y instead extra-y for objects placed at the head

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On Mon, Sep 19, 2022 at 5:10 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>
> Hi Yamada-san,
>
> On Tue, Sep 6, 2022 at 8:15 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
> > The objects placed at the head of vmlinux need special treatments:
> >
> >  - arch/$(SRCARCH)/Makefile adds them to head-y in order to place
> >    them before other archives in the linker command line.
> >
> >  - arch/$(SRCARCH)/kernel/Makefile adds them to extra-y instead of
> >    obj-y to avoid them going into built-in.a.
> >
> > This commit gets rid of the latter.
> >
> > Create vmlinux.a to collect all the objects that are unconditionally
> > linked to vmlinux. The objects listed in head-y are moved to the head
> > of vmlinux.a by using 'ar m'.
> >
> > With this, arch/$(SRCARCH)/kernel/Makefile can consistently use obj-y
> > for builtin objects.
> >
> > There is no *.o that is directly linked to vmlinux. Drop unneeded code
> > in scripts/clang-tools/gen_compile_commands.py.
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>




Thanks for the report.

I will squash the following:



diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile
index 1755e6cd309f..af015447dfb4 100644
--- a/arch/m68k/kernel/Makefile
+++ b/arch/m68k/kernel/Makefile
@@ -16,7 +16,7 @@ obj-$(CONFIG_SUN3X)   := head.o
 obj-$(CONFIG_VIRT)     := head.o
 obj-$(CONFIG_SUN3)     := sun3-head.o

-obj-y  := entry.o irq.o module.o process.o ptrace.o
+obj-y  += entry.o irq.o module.o process.o ptrace.o
 obj-y  += setup.o signal.o sys_m68k.o syscalltable.o time.o traps.o

 obj-$(CONFIG_MMU_MOTOROLA) += ints.o vectors.o












--
Best Regards
Masahiro Yamada



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