From: Nathan Chancellor <nathan@kernel.org>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
Nick Desaulniers <ndesaulniers@google.com>,
Nicolas Schier <nicolas@fjasle.eu>,
Peter Zijlstra <peterz@infradead.org>,
linux-modules@vger.kernel.org, llvm@lists.linux.dev,
Ard Biesheuvel <ardb@kernel.org>,
Sami Tolvanen <samitolvanen@google.com>
Subject: Re: [PATCH v5 00/12] kbuild: yet another series of cleanups (modpost, LTO, MODULE_REL_CRCS, export.h)
Date: Wed, 11 May 2022 13:04:01 -0700 [thread overview]
Message-ID: <YnwWsYdL2khCikSY@dev-arch.thelio-3990X> (raw)
In-Reply-To: <20220511164514.2741934-1-masahiroy@kernel.org>
Hi Masahiro,
On Thu, May 12, 2022 at 01:45:02AM +0900, Masahiro Yamada wrote:
>
> This is the third batch of cleanups in this development cycle.
>
> Major changes in v5:
> - Fix build errors
> - More cleanups
>
> Major changes in v4:
> - Move static EXPORT_SYMBOL check to a script
> - Some refactoring
>
> Major changes in v3:
>
> - Generate symbol CRCs as C code, and remove CONFIG_MODULE_REL_CRCS.
>
> Major changes in v2:
>
> - V1 did not work with CONFIG_MODULE_REL_CRCS.
> I fixed this for v2.
>
> - Reflect some review comments in v1
>
> - Refactor the code more
>
> - Avoid too long argument error
>
>
>
> Masahiro Yamada (12):
> modpost: split the section mismatch checks into section-check.c
> modpost: add sym_find_with_module() helper
> modpost: extract symbol versions from *.cmd files
> kbuild: link symbol CRCs at final link, removing
> CONFIG_MODULE_REL_CRCS
> kbuild: stop merging *.symversions
> genksyms: adjust the output format to modpost
> kbuild: do not create *.prelink.o for Clang LTO or IBT
> kbuild: check static EXPORT_SYMBOL* by script instead of modpost
> kbuild: make built-in.a rule robust against too long argument error
> kbuild: make *.mod rule robust against too long argument error
> kbuild: add cmd_and_savecmd macro
> kbuild: rebuild multi-object modules when objtool is updated
I applied this series to your latest kbuild branch, built an Arch
Linux x86_64 config and Fedora aarch64 config with
CONFIG_LTO_CLANG_FULL=y then CONFIG_LTO_CLANG_THIN=y, and boot tested
each kernel in QEMU with a full userspace. I did not notice any new
warnings/errors and everything appears to work fine.
Tested-by: Nathan Chancellor <nathan@kernel.org>
Cheers,
Nathan
next prev parent reply other threads:[~2022-05-11 20:04 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-11 16:45 [PATCH v5 00/12] kbuild: yet another series of cleanups (modpost, LTO, MODULE_REL_CRCS, export.h) Masahiro Yamada
2022-05-11 16:45 ` [PATCH v5 01/12] modpost: split the section mismatch checks into section-check.c Masahiro Yamada
2022-05-11 22:28 ` Nick Desaulniers
2022-05-12 3:32 ` Masahiro Yamada
2022-05-11 22:31 ` Nick Desaulniers
2022-05-12 3:35 ` Masahiro Yamada
2022-05-11 16:45 ` [PATCH v5 02/12] modpost: add sym_find_with_module() helper Masahiro Yamada
2022-05-11 16:45 ` [PATCH v5 03/12] modpost: extract symbol versions from *.cmd files Masahiro Yamada
2022-05-12 16:28 ` Masahiro Yamada
2022-05-11 16:45 ` [PATCH v5 04/12] kbuild: link symbol CRCs at final link, removing CONFIG_MODULE_REL_CRCS Masahiro Yamada
2022-05-11 19:57 ` Nicolas Schier
2022-05-11 16:45 ` [PATCH v5 05/12] kbuild: stop merging *.symversions Masahiro Yamada
2022-05-11 16:45 ` [PATCH v5 06/12] genksyms: adjust the output format to modpost Masahiro Yamada
2022-05-11 16:45 ` [PATCH v5 07/12] kbuild: do not create *.prelink.o for Clang LTO or IBT Masahiro Yamada
2022-05-11 16:45 ` [PATCH v5 08/12] kbuild: check static EXPORT_SYMBOL* by script instead of modpost Masahiro Yamada
2022-05-11 16:45 ` [PATCH v5 09/12] kbuild: make built-in.a rule robust against too long argument error Masahiro Yamada
2022-05-11 16:45 ` [PATCH v5 10/12] kbuild: make *.mod " Masahiro Yamada
2022-05-11 16:45 ` [PATCH v5 11/12] kbuild: add cmd_and_savecmd macro Masahiro Yamada
2022-05-13 11:40 ` Nicolas Schier
2022-05-11 16:45 ` [PATCH v5 12/12] kbuild: rebuild multi-object modules when objtool is updated Masahiro Yamada
2022-05-13 11:40 ` Nicolas Schier
2022-05-11 20:04 ` Nathan Chancellor [this message]
2022-05-13 11:18 ` [PATCH v5 00/12] kbuild: yet another series of cleanups (modpost, LTO, MODULE_REL_CRCS, export.h) Masahiro Yamada
2022-05-13 11:19 ` Masahiro Yamada
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