Re: [PATCH v3 3/6] modpost: Make mod_device_table aliases more unique

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On Tue, May 27, 2025 at 6:08 PM Alexey Gladkov <legion@xxxxxxxxxx> wrote:
>
> In order to avoid symbol conflicts if they appear in the same binary, a
> more unique alias identifier can be generated.
>
> Signed-off-by: Alexey Gladkov <legion@xxxxxxxxxx>
> Reviewed-by: Petr Pavlu <petr.pavlu@xxxxxxxx>
> ---
>  include/linux/module.h   | 14 ++++++++++++--
>  scripts/mod/file2alias.c | 18 ++++++++++++++----
>  2 files changed, 26 insertions(+), 6 deletions(-)
>
> diff --git a/include/linux/module.h b/include/linux/module.h
> index 88048561360f..e7506684069d 100644
> --- a/include/linux/module.h
> +++ b/include/linux/module.h
> @@ -249,10 +249,20 @@ struct module_kobject *lookup_or_create_module_kobject(const char *name);
>  /* What your module does. */
>  #define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description)
>
> +/* Format: __mod_device_table__<counter>__kmod_<modname>__<type>__<name> */

This format relies on module-name mangling, but
I hope we will be able to stop doing it some day.

Can we come up with a different idea
in case <modname> contains hyphens?








--
Best Regards
Masahiro Yamada





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