# Re: \[PATCH v8 2/3\] modpost: Produce extended MODVERSIONS information

- From: Luis Chamberlain \<mcgrof@kernel.org\>
- Date: 2024-10-31 11:37:33 
- List: linux-modules
- Page: https://ratatoskr.run/linux-modules/2024/10/2807435
- Thread: https://ratatoskr.run/linuxppc-dev/2024/10/2806721/t.md

```text
On Wed, Oct 30, 2024 at 11:05:03PM +0000, Matthew Maurer wrote:
> diff --git a/kernel/module/Kconfig b/kernel/module/Kconfig
> index e6b2427e5c190aacf7b9c5c1bb57fca39d311564..a31c617cd67d3d66b24d2fba34cbd5cc9c53ab78 100644
> --- a/kernel/module/Kconfig
> +++ b/kernel/module/Kconfig
> @@ -208,6 +208,16 @@ config ASM_MODVERSIONS
>  	  assembly. This can be enabled only when the target architecture
>  	  supports it.
>  
> +config EXTENDED_MODVERSIONS
> +	bool "Extended Module Versioning Support"
> +	depends on MODVERSIONS
> +	help
> +	  This enables extended MODVERSIONs support, allowing long symbol
> +	  names to be versioned.
> +
> +	  The most likely reason you would enable this is to enable Rust
> +	  support. If unsure, say N.
> +

The question is, if only extended moversions are used, what new tooling
requirements are there? Can you test using only extended modversions?

  Luis
```