Re: [PATCH v5 14/14] kbuild: make CONFIG_MODULE_HASHES compatible with module stripping

Nicolas Schier <[email protected]> Tue, 4 Aug 2026 14:44:35 +0200

Newsgroups	gmane.linux.ports.ppc.embedded,gmane.linux.kernel.bpf,gmane.linux.kbuild.devel,gmane.linux.kernel,gmane.linux.kernel.cross-arch,gmane.linux.kernel.modules,gmane.linux.kernel.lsm,gmane.linux.documentation,gmane.linux.debian.devel.kernel
Message-ID	<anHeswYHqwvKk3XL@levanger>

On Tue, May 05, 2026 at 11:05:18AM +0200, Thomas Weißschuh wrote:
> CONFIG_MODULE_HASHES needs to process the modules at build time in the
> exact form they will be loaded at runtime. If the modules are stripped
> afterwards they will not be loadable anymore.
> 
> Also evaluate INSTALL_MOD_STRIP at build time and build the hashes based
> on modules stripped this way.
> 
> If users specify inconsistent values of INSTALL_MOD_STRIP between build
> and installation time, an error is reported.
> 
> Signed-off-by: Thomas Weißschuh <[email protected]>
> ---
>  .gitignore                | 1 +
>  kernel/module/Kconfig     | 5 +++++
>  scripts/Makefile.modfinal | 9 +++++++++
>  scripts/Makefile.modinst  | 4 ++--
>  scripts/Makefile.vmlinux  | 2 +-
>  5 files changed, 18 insertions(+), 3 deletions(-)
> 

For kbuild:

Reviewed-by: Nicolas Schier <[email protected]>

-- 
Nicolas