From: Masahiro Yamada <masahiroy@kernel.org>
To: linux-kbuild@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Nicolas Pitre <npitre@baylibre.com>,
Nicolas Schier <nicolas@fjasle.eu>
Subject: Re: [PATCH v5 00/21] Unify <linux/export.h> and <asm/export.h>, remove EXPORT_DATA_SYMBOL(), faster TRIM_UNUSED_KSYMS
Date: Sun, 21 May 2023 22:15:02 +0900 [thread overview]
Message-ID: <CAK7LNARBiOywrMLbR=9N35sk19U0QM3xcPy7d1WqV-eyb4W23w@mail.gmail.com> (raw)
In-Reply-To: <20230514152739.962109-1-masahiroy@kernel.org>
On Mon, May 15, 2023 at 12:27 AM Masahiro Yamada <masahiroy@kernel.org> wrote:
>
>
> This patch set refactors modpost first to make it easier to
> add new code.
>
> My goals:
>
> - Refactors EXPORT_SYMBOL, <linux/export.h> and <asm/export.h>.
> You can still put EXPORT_SYMBOL() in *.S file, very close to the definition,
> but you do not need to care about whether it is a function or a data.
> This removes EXPORT_DATA_SYMBOL().
>
> - Re-implement TRIM_UNUSED_KSYMS in one-pass.
> This makes the building faster.
>
> - Move the static EXPORT_SYMBOL check to modpost.
> This also makes the building faster.
>
> Previous version
> v4: https://lore.kernel.org/linux-kbuild/CAK7LNASDzy9RERN6+q6WgR4ROYZQue=SBqgbcoYuVePByHtk6Q@mail.gmail.com/T/#t
> v3: https://lore.kernel.org/all/20220928063947.299333-1-masahiroy@kernel.org/
>
01-10 applied to linux-kbuild.
I will send v6 for the rest.
>
> Masahiro Yamada (21):
> modpost: remove broken calculation of exception_table_entry size
> modpost: remove fromsym info in __ex_table section mismatch warning
> modpost: remove get_prettyname()
> modpost: squash report_extable_warnings() into
> extable_mismatch_handler()
> modpost: squash report_sec_mismatch() into default_mismatch_handler()
> modpost: clean up is_executable_section()
> modpost: squash extable_mismatch_handler() into
> default_mismatch_handler()
> modpost: pass 'tosec' down to default_mismatch_handler()
> modpost: pass section index to find_elf_symbol2()
> modpost: rename find_elf_symbol() and find_elf_symbol2()
> modpost: modpost: refactor find_fromsym() and find_tosym()
> modpost: unify 'sym' and 'to' in default_mismatch_handler()
> modpost: replace r->r_offset, r->r_addend with faddr, taddr
> modpost: remove is_shndx_special() check from section_rel(a)
> modpost: pass struct module pointer to check_section_mismatch()
> kbuild: generate KSYMTAB entries by modpost
> ia64,export.h: replace EXPORT_DATA_SYMBOL* with EXPORT_SYMBOL*
> modpost: check static EXPORT_SYMBOL* by modpost again
> modpost: squash sym_update_namespace() into sym_add_exported()
> modpost: use null string instead of NULL pointer for default namespace
> kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion
>
> .gitignore | 1 -
> Makefile | 19 +-
> arch/ia64/include/asm/Kbuild | 1 +
> arch/ia64/include/asm/export.h | 3 -
> arch/ia64/kernel/head.S | 2 +-
> arch/ia64/kernel/ivt.S | 2 +-
> include/asm-generic/export.h | 83 +----
> include/asm-generic/vmlinux.lds.h | 1 +
> include/linux/export-internal.h | 49 +++
> include/linux/export.h | 119 ++-----
> include/linux/pm.h | 8 +-
> kernel/module/internal.h | 12 +
> scripts/Makefile.build | 19 +-
> scripts/Makefile.modpost | 7 +
> scripts/adjust_autoksyms.sh | 73 ----
> scripts/basic/fixdep.c | 3 +-
> scripts/check-local-export | 70 ----
> scripts/gen_ksymdeps.sh | 30 --
> scripts/mod/modpost.c | 561 ++++++++++++------------------
> scripts/mod/modpost.h | 1 +
> scripts/remove-stale-files | 2 +
> 21 files changed, 343 insertions(+), 723 deletions(-)
> delete mode 100644 arch/ia64/include/asm/export.h
> delete mode 100755 scripts/adjust_autoksyms.sh
> delete mode 100755 scripts/check-local-export
> delete mode 100755 scripts/gen_ksymdeps.sh
>
> --
> 2.39.2
>
--
Best Regards
Masahiro Yamada
prev parent reply other threads:[~2023-05-21 13:28 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-14 15:27 [PATCH v5 00/21] Unify <linux/export.h> and <asm/export.h>, remove EXPORT_DATA_SYMBOL(), faster TRIM_UNUSED_KSYMS Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 01/21] modpost: remove broken calculation of exception_table_entry size Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 02/21] modpost: remove fromsym info in __ex_table section mismatch warning Masahiro Yamada
2023-05-17 18:53 ` Nick Desaulniers
2023-05-20 13:11 ` Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 03/21] modpost: remove get_prettyname() Masahiro Yamada
2023-05-17 21:44 ` Nick Desaulniers
2023-05-20 13:32 ` Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 04/21] modpost: squash report_extable_warnings() into extable_mismatch_handler() Masahiro Yamada
2023-05-17 21:27 ` Nick Desaulniers
2023-05-14 15:27 ` [PATCH v5 05/21] modpost: squash report_sec_mismatch() into default_mismatch_handler() Masahiro Yamada
2023-05-17 21:53 ` Nick Desaulniers
2023-05-14 15:27 ` [PATCH v5 06/21] modpost: clean up is_executable_section() Masahiro Yamada
2023-05-17 21:10 ` Nick Desaulniers
2023-05-20 13:19 ` Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 07/21] modpost: squash extable_mismatch_handler() into default_mismatch_handler() Masahiro Yamada
2023-05-17 20:55 ` Nick Desaulniers
2023-05-14 15:27 ` [PATCH v5 08/21] modpost: pass 'tosec' down to default_mismatch_handler() Masahiro Yamada
2023-05-17 20:58 ` Nick Desaulniers
2023-05-14 15:27 ` [PATCH v5 09/21] modpost: pass section index to find_elf_symbol2() Masahiro Yamada
2023-05-17 21:05 ` Nick Desaulniers
2023-05-14 15:27 ` [PATCH v5 10/21] modpost: rename find_elf_symbol() and find_elf_symbol2() Masahiro Yamada
2023-05-17 21:14 ` Nick Desaulniers
2023-05-20 13:27 ` Masahiro Yamada
2023-05-22 16:59 ` Nick Desaulniers
2023-05-23 12:04 ` Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 11/21] modpost: modpost: refactor find_fromsym() and find_tosym() Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 12/21] modpost: unify 'sym' and 'to' in default_mismatch_handler() Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 13/21] modpost: replace r->r_offset, r->r_addend with faddr, taddr Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 14/21] modpost: remove is_shndx_special() check from section_rel(a) Masahiro Yamada
2023-05-17 21:23 ` Nick Desaulniers
2023-05-17 21:24 ` Nick Desaulniers
2023-05-20 13:45 ` Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 15/21] modpost: pass struct module pointer to check_section_mismatch() Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 16/21] kbuild: generate KSYMTAB entries by modpost Masahiro Yamada
2023-10-27 4:29 ` Greg Ungerer
2023-10-27 9:56 ` Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 17/21] ia64,export.h: replace EXPORT_DATA_SYMBOL* with EXPORT_SYMBOL* Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 18/21] modpost: check static EXPORT_SYMBOL* by modpost again Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 19/21] modpost: squash sym_update_namespace() into sym_add_exported() Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 20/21] modpost: use null string instead of NULL pointer for default namespace Masahiro Yamada
2023-05-14 15:27 ` [PATCH v5 21/21] kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion Masahiro Yamada
2023-05-15 21:31 ` Nicolas Pitre
2023-05-15 22:54 ` Sami Tolvanen
2023-05-16 2:16 ` Masahiro Yamada
2023-05-16 14:51 ` Sami Tolvanen
2023-05-16 1:41 ` Masahiro Yamada
2023-05-21 13:15 ` Masahiro Yamada [this message]
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