> On 1 Feb 2026, at 10:23 PM, Srish Srinivasan <[email protected]> wrote:
>
> Building trusted-keys as a module fails modpost with:
>
> ERROR: modpost: "plpks_wrapping_is_supported" [security/keys/trusted-keys/
> trusted.ko] undefined!
>
> Export plpks_wrapping_is_supported() so trusted-keys links cleanly
>
> This patch is intended to be applied on top of the earlier "Extend "trusted
> " keys to support a new trust source named the PowerVM Key Wrapping Module
> (PKWM)" series (v5).
> Link: https://lore.kernel.org/all/[email protected]/
>
> Reported-by: kernel test robot <[email protected]>
> Closes:
> https://lore.kernel.org/oe-kbuild-all/[email protected]/
> Signed-off-by: Srish Srinivasan <[email protected]>
> ---
> arch/powerpc/platforms/pseries/plpks.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/powerpc/platforms/pseries/plpks.c
> b/arch/powerpc/platforms/pseries/plpks.c
> index 038ecf8f6d6b..23e4e2a922fc 100644
> --- a/arch/powerpc/platforms/pseries/plpks.c
> +++ b/arch/powerpc/platforms/pseries/plpks.c
> @@ -896,6 +896,7 @@ bool plpks_wrapping_is_supported(void)
> {
> return wrapsupport;
> }
> +EXPORT_SYMBOL_GPL(plpks_wrapping_is_supported);
>
> /**
> * plpks_gen_wrapping_key() - Generate a new random key with the 'wrapping
> key'
> --
> 2.47.3
>
Tested this patch, and with this, build is successful.
With out this patch:
ERROR: modpost: "plpks_wrapping_is_supported"
[security/keys/trusted-keys/trusted.ko] undefined!
make[2]: *** [scripts/Makefile.modpost:147: Module.symvers] Error 1
make[1]: *** [/root/linux/Makefile:2004: modpost] Error 2
make: *** [Makefile:248: __sub-make] Error 2
With this build is successful.
Please add below tag.
Tested-by: Venkat Rao Bagalkote <[email protected]>
Regards,
Venkat.
