linux-kernel - Re: [PATCH v11 3/5] modules: Allow extended modversions without basic MODVERSIONS

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Message-ID: <CAK7LNARGJ8UMaiGC71f_wfk5ZqwhV2WD_Zf3NsQuS-+u_uT-iA@mail.gmail.com>
Date: Fri, 27 Dec 2024 15:49:20 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Matthew Maurer <mmaurer@...gle.com>
Cc: Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>, 
	Christophe Leroy <christophe.leroy@...roup.eu>, Naveen N Rao <naveen@...nel.org>, 
	Madhavan Srinivasan <maddy@...ux.ibm.com>, Luis Chamberlain <mcgrof@...nel.org>, 
	Petr Pavlu <petr.pavlu@...e.com>, Sami Tolvanen <samitolvanen@...gle.com>, 
	Daniel Gomez <da.gomez@...sung.com>, Nathan Chancellor <nathan@...nel.org>, 
	Nicolas Schier <nicolas@...sle.eu>, Miguel Ojeda <ojeda@...nel.org>, 
	Alex Gaynor <alex.gaynor@...il.com>, Boqun Feng <boqun.feng@...il.com>, 
	Gary Guo <gary@...yguo.net>, Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Benno Lossin <benno.lossin@...ton.me>, Andreas Hindborg <a.hindborg@...nel.org>, 
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>, 
	Jonathan Corbet <corbet@....net>, linuxppc-dev@...ts.ozlabs.org, 
	linux-kernel@...r.kernel.org, linux-modules@...r.kernel.org, 
	linux-kbuild@...r.kernel.org, rust-for-linux@...r.kernel.org, 
	linux-doc@...r.kernel.org
Subject: Re: [PATCH v11 3/5] modules: Allow extended modversions without basic MODVERSIONS

On Tue, Dec 24, 2024 at 5:13 AM Matthew Maurer <mmaurer@...gle.com> wrote:
>
> If you know that your kernel modules will only ever be loaded by a newer
> kernel, you can disable BASIC_MODVERSIONS to save space. This also
> allows easy creation of test modules to seee how tooling will respond to


seee -> see


> modules that only have the new format.
>
> Signed-off-by: Matthew Maurer <mmaurer@...gle.com>
> ---
>  kernel/module/Kconfig    | 15 +++++++++++++++
>  scripts/Makefile.modpost |  1 +
>  scripts/mod/modpost.c    | 19 +++++++++++--------
>  3 files changed, 27 insertions(+), 8 deletions(-)
>
> diff --git a/kernel/module/Kconfig b/kernel/module/Kconfig
> index 9568b629a03ce8289d3f3597eefc66fc96445720..5f701391ab12c7d1b3ca496c9b3443c5a76a8745 100644
> --- a/kernel/module/Kconfig
> +++ b/kernel/module/Kconfig
> @@ -217,6 +217,21 @@ config EXTENDED_MODVERSIONS
>           The most likely reason you would enable this is to enable Rust
>           support. If unsure, say N.
>
> +config BASIC_MODVERSIONS
> +       bool "Basic Module Versioning Support"
> +       depends on MODVERSIONS
> +       default MODVERSIONS

Nit:

            default y

is simpler.


--
Best Regards

Masahiro Yamada