linux-kernel - Re: [PATCH 18/23] kbuild: remove extmod_prefix, MODORDER, MODULES

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Message-ID: <CAK7LNARYW6FtkbFm4V7hW49FoxoFa7rkCv0Hk4hnBwRxvLtYmA@mail.gmail.com>
Date: Sun, 10 Nov 2024 10:36:42 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Nicolas Schier <nicolas@...sle.eu>
Cc: linux-kbuild@...r.kernel.org, Miguel Ojeda <ojeda@...nel.org>, 
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Nathan Chancellor <nathan@...nel.org>
Subject: Re: [PATCH 18/23] kbuild: remove extmod_prefix, MODORDER,
 MODULES_NSDEPS variables

On Fri, Oct 4, 2024 at 3:47 AM Nicolas Schier <nicolas@...sle.eu> wrote:
>
> On Tue, Sep 17, 2024 at 11:16:46PM +0900, Masahiro Yamada wrote:
> > With the previous changes, $(extmod_prefix), $(MODORDER), and
> > $(MODULES_NSDEPS) are constant. (empty, modules.order, and
> > modules.nsdeps, respectively).
> >
> > Remove these variables and hard-code their values.
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> > ---
> >
> >  Makefile                  | 22 +++++++++-------------
> >  scripts/Makefile.modfinal |  2 +-
> >  scripts/Makefile.modinst  |  2 +-
> >  scripts/Makefile.modpost  |  6 +++---
> >  scripts/nsdeps            |  2 +-
> >  5 files changed, 15 insertions(+), 19 deletions(-)
>
> Do you want to remove these also?  I can't think of a reason to keep these
> around:
>
> $ git grep -Hrnwe extmod_prefix -e MODORDER -e MODULES_NSDEP
> Makefile:1912:  $(Q){ $(foreach m, $(single-ko), echo $(extmod_prefix)$(m:%.ko=%.o);) } > modules.order
> scripts/Makefile.modfinal:33:$(extmod_prefix).module-common.o: $(srctree)/scripts/module-common.c FORCE
> scripts/Makefile.modfinal:60:%.ko: %.o %.mod.o $(extmod_prefix).module-common.o $(objtree)/scripts/module.lds $(and $(CONFIG_DEBUG_INFO_BTF_MODULES),$(KBUILD_BUILTIN),$(objtree)/vmlinux) FORCE
> scripts/Makefile.modfinal:66:targets += $(modules:%.o=%.ko) $(modules:%.o=%.mod.o) $(extmod_prefix).module-common.o
> scripts/Makefile.modinst:60:modules := $(patsubst $(extmod_prefix)%.o, $(dst)/%.ko$(suffix-y), $(modules))
> scripts/Makefile.modinst:120:$(dst)/%.ko: $(extmod_prefix)%.ko FORCE

Right, I will clean up these.



> W/ or w/o:
>
> Reviewed-by: Nicolas Schier <nicolas@...sle.eu>



--
Best Regards
Masahiro Yamada