Re: [PATCH v7 1/8] kbuild: replace $(linked-object) with CONFIG options

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On Sat, May 28, 2022 at 11:32 AM Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
>
> On Fri, May 27, 2022 at 1:56 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
> >
> > *.prelink.o is created when CONFIG_LTO_CLANG or CONFIG_X86_KERNEL_IBT
> > is enabled.
> >
> > Replace $(linked-object) with $(CONFIG_LTO_CLANG)$(CONFIG_X86_KERNEL_IBT)
> > so you will get better idea when the --link option is passed.
> >
> > No functional change is intended.
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
>
> Hi Masahiroy,
>
> I was not CCed on the cover-letter and only on some patches in this series.
>
> So, I have re-tested this series by pulling from kbuild.git#kbuild
> (saw later you renewed the parisc/nm patch).
>
> While testing my selfmade LLVM version 14.0.4 (PGO + ThinLTO
> optimized) toolchain I included this series.
>
> Just built fine and I was able to boot on bare metal.
>
> -Sedat -
>

Thanks for your testing!

I added your Tested-by tag.





> > ---
> >
> > Changes in v7:
> >   - New patch
> >
> >  scripts/Makefile.build | 3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> > index 06400504150b..f80196eef03a 100644
> > --- a/scripts/Makefile.build
> > +++ b/scripts/Makefile.build
> > @@ -219,7 +219,7 @@ objtool_args =                                                              \
> >         $(if $(CONFIG_STACK_VALIDATION), --stackval)                    \
> >         $(if $(CONFIG_HAVE_STATIC_CALL_INLINE), --static-call)          \
> >         --uaccess                                                       \
> > -       $(if $(linked-object), --link)                                  \
> > +       $(if $($(CONFIG_LTO_CLANG)$(CONFIG_X86_KERNEL_IBT)), --link)    \
> >         $(if $(part-of-module), --module)                               \
> >         $(if $(CONFIG_GCOV_KERNEL), --no-unreachable)
> >
> > @@ -284,7 +284,6 @@ quiet_cmd_cc_prelink_modules = LD [M]  $@
> >  # modules into native code
> >  $(obj)/%.prelink.o: objtool-enabled = y
> >  $(obj)/%.prelink.o: part-of-module := y
> > -$(obj)/%.prelink.o: linked-object := y
> >
> >  $(obj)/%.prelink.o: $(obj)/%.o FORCE
> >         $(call if_changed,cc_prelink_modules)
> > --
> > 2.32.0
> >



-- 
Best Regards
Masahiro Yamada



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