From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>
Cc: Sam Ravnborg <sam@ravnborg.org>,
Nicolas Pitre <nicolas.pitre@linaro.org>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
linux-arch <linux-arch@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Michael Ellerman <mpe@ellerman.id.au>,
linux-um@lists.infradead.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Michal Marek <michal.lkml@markovi.net>,
Richard Weinberger <richard@nod.at>,
Andrew Morton <akpm@linux-foundation.org>,
Will Deacon <will.deacon@arm.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Jeff Dike <jdike@addtoit.com>
Subject: Re: [PATCH v2 0/9] kbuild: clean-up modversion, TRIM_UNUSED_KSYMS, if_changed_rule, etc.
Date: Wed, 21 Nov 2018 23:39:13 +0900 [thread overview]
Message-ID: <CAK7LNAReYwYAgGfxsHX2uRxXrYizM9C0rmq7V_ck-V+dc+oN4A@mail.gmail.com> (raw)
In-Reply-To: <1542675930-21114-1-git-send-email-yamada.masahiro@socionext.com>
On Tue, Nov 20, 2018 at 10:11 AM Masahiro Yamada
<yamada.masahiro@socionext.com> wrote:
>
> As a Kbuild maintainer, I always struggle to keep the core makefiles
> clean because people tend to squeeze more and more clutter code into
> the kbuild core in order to do what they want to do.
>
> The biggest step forward in this series is to re-implement
> the build trick of CONFIG_TRIM_UNUSED_KSYMS in a cleaner way.
> scripts/Kbuild.include now looks nice again.
> Also, in my rough estimation, building with CONFIG_TRIM_UNUSED_KSYMS
> became 40-50 % faster.
>
> Besides those, nice cleanups are here and there.
>
> Masahiro Yamada (9):
> kbuild: let fixdep directly write to .*.cmd files
> kbuild: remove redundant 'set -e' from filechk_* defines
> kbuild: remove redundant 'set -e' from sub_cmd_record_mcount
> kbuild: refactor modversions build rules
> kbuild: simplify dependency generation for CONFIG_TRIM_UNUSED_KSYMS
> kbuild: change if_changed_rule for multi-line recipe
> kbuild: remove trailing semicolon from cmd_* passed to if_changed_rule
> kbuild: refactor if_changed and if_changed_dep
> kbuild: remove redundant 'set -e' from cmd_* defines
Series, applied to linux-kbuild.
> Makefile | 13 +++---
> arch/um/Makefile | 2 +-
> include/asm-generic/export.h | 13 +++---
> include/linux/export.h | 18 ++++----
> scripts/Kbuild.include | 49 +++-----------------
> scripts/Makefile.build | 105 ++++++++++++++++++-------------------------
> scripts/Makefile.lib | 2 +-
> scripts/basic/fixdep.c | 31 ++-----------
> scripts/gen_ksymdeps.sh | 25 +++++++++++
> scripts/package/Makefile | 1 -
> 10 files changed, 106 insertions(+), 153 deletions(-)
> create mode 100755 scripts/gen_ksymdeps.sh
>
> --
> 2.7.4
>
--
Best Regards
Masahiro Yamada
WARNING: multiple messages have this Message-ID (diff)
From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>,
linux-arch <linux-arch@vger.kernel.org>,
Michal Marek <michal.lkml@markovi.net>,
Arnd Bergmann <arnd@arndb.de>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Jeff Dike <jdike@addtoit.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Will Deacon <will.deacon@arm.com>,
linux-um@lists.infradead.org, Richard Weinberger <richard@nod.at>,
Andrew Morton <akpm@linux-foundation.org>,
Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH v2 0/9] kbuild: clean-up modversion, TRIM_UNUSED_KSYMS, if_changed_rule, etc.
Date: Wed, 21 Nov 2018 23:39:13 +0900 [thread overview]
Message-ID: <CAK7LNAReYwYAgGfxsHX2uRxXrYizM9C0rmq7V_ck-V+dc+oN4A@mail.gmail.com> (raw)
In-Reply-To: <1542675930-21114-1-git-send-email-yamada.masahiro@socionext.com>
On Tue, Nov 20, 2018 at 10:11 AM Masahiro Yamada
<yamada.masahiro@socionext.com> wrote:
>
> As a Kbuild maintainer, I always struggle to keep the core makefiles
> clean because people tend to squeeze more and more clutter code into
> the kbuild core in order to do what they want to do.
>
> The biggest step forward in this series is to re-implement
> the build trick of CONFIG_TRIM_UNUSED_KSYMS in a cleaner way.
> scripts/Kbuild.include now looks nice again.
> Also, in my rough estimation, building with CONFIG_TRIM_UNUSED_KSYMS
> became 40-50 % faster.
>
> Besides those, nice cleanups are here and there.
>
> Masahiro Yamada (9):
> kbuild: let fixdep directly write to .*.cmd files
> kbuild: remove redundant 'set -e' from filechk_* defines
> kbuild: remove redundant 'set -e' from sub_cmd_record_mcount
> kbuild: refactor modversions build rules
> kbuild: simplify dependency generation for CONFIG_TRIM_UNUSED_KSYMS
> kbuild: change if_changed_rule for multi-line recipe
> kbuild: remove trailing semicolon from cmd_* passed to if_changed_rule
> kbuild: refactor if_changed and if_changed_dep
> kbuild: remove redundant 'set -e' from cmd_* defines
Series, applied to linux-kbuild.
> Makefile | 13 +++---
> arch/um/Makefile | 2 +-
> include/asm-generic/export.h | 13 +++---
> include/linux/export.h | 18 ++++----
> scripts/Kbuild.include | 49 +++-----------------
> scripts/Makefile.build | 105 ++++++++++++++++++-------------------------
> scripts/Makefile.lib | 2 +-
> scripts/basic/fixdep.c | 31 ++-----------
> scripts/gen_ksymdeps.sh | 25 +++++++++++
> scripts/package/Makefile | 1 -
> 10 files changed, 106 insertions(+), 153 deletions(-)
> create mode 100755 scripts/gen_ksymdeps.sh
>
> --
> 2.7.4
>
--
Best Regards
Masahiro Yamada
_______________________________________________
linux-um mailing list
linux-um@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-um
next prev parent reply other threads:[~2018-11-21 14:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-20 1:05 [PATCH v2 0/9] kbuild: clean-up modversion, TRIM_UNUSED_KSYMS, if_changed_rule, etc Masahiro Yamada
2018-11-20 1:05 ` Masahiro Yamada
2018-11-20 1:05 ` [PATCH v2 1/9] kbuild: let fixdep directly write to .*.cmd files Masahiro Yamada
2018-11-20 1:05 ` [PATCH v2 2/9] kbuild: remove redundant 'set -e' from filechk_* defines Masahiro Yamada
2018-11-20 1:05 ` Masahiro Yamada
2018-11-20 1:05 ` [PATCH v2 3/9] kbuild: remove redundant 'set -e' from sub_cmd_record_mcount Masahiro Yamada
2018-11-20 1:05 ` [PATCH v2 4/9] kbuild: refactor modversions build rules Masahiro Yamada
2018-11-20 1:05 ` [PATCH v2 5/9] kbuild: simplify dependency generation for CONFIG_TRIM_UNUSED_KSYMS Masahiro Yamada
2018-11-20 3:47 ` Nicolas Pitre
2018-11-20 1:05 ` [PATCH v2 6/9] kbuild: change if_changed_rule for multi-line recipe Masahiro Yamada
2018-11-20 1:05 ` [PATCH v2 7/9] kbuild: remove trailing semicolon from cmd_* passed to if_changed_rule Masahiro Yamada
2018-11-20 1:05 ` [PATCH v2 8/9] kbuild: refactor if_changed and if_changed_dep Masahiro Yamada
2018-11-20 1:05 ` [PATCH v2 9/9] kbuild: remove redundant 'set -e' from cmd_* defines Masahiro Yamada
2018-11-21 14:39 ` Masahiro Yamada [this message]
2018-11-21 14:39 ` [PATCH v2 0/9] kbuild: clean-up modversion, TRIM_UNUSED_KSYMS, if_changed_rule, etc Masahiro Yamada
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