Re: [PATCH v8 1/3] modules: Support extended MODVERSIONS info

From: Michael Ellerman
Date: Wed Oct 30 2024 - 21:23:28 EST


Matthew Maurer <mmaurer@xxxxxxxxxx> writes:
> Adds a new format for MODVERSIONS which stores each field in a separate
> ELF section. This initially adds support for variable length names, but
> could later be used to add additional fields to MODVERSIONS in a
> backwards compatible way if needed. Any new fields will be ignored by
> old user tooling, unlike the current format where user tooling cannot
> tolerate adjustments to the format (for example making the name field
> longer).
>
> Since PPC munges its version records to strip leading dots, we reproduce
> the munging for the new format. Other architectures do not appear to
> have architecture-specific usage of this information.
>
> Reviewed-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx>
> Signed-off-by: Matthew Maurer <mmaurer@xxxxxxxxxx>
> ---
> arch/powerpc/kernel/module_64.c | 24 ++++++++++-

Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc)

cheers