Thorsten Wilms <t_w_@freenet.de> writes:

> Things were going well until I got to XTS support. With either my custom 
> configuration, or a default one, XTS is stuck on -*-, i.e. mandatory 
> built-in. The after-build phase will fail if there's no xts.ko module!
>
> I tried to figure out the dependencies and failed. Finally, I took the 
> guix kernel configuration, replaced the entire segment device-drivers up 
> to file-systems with one from my custom version and did the few other 
> changes. It works!
>
> Now if anyone knows or can figure out how *exactly* to turn XTS's -*- 
> into a {M}, that would still be good to know. A script that turns any 
> kernel configuration into a guix-sd-safe one, or changes to make these 
> gymnastics unnecessary would be great!

Can you post the .config that requires CONFIG_CRYPTO_XTS=y?

I remember having to turn on "expert" configuration in order to change
some of the default builtins.  If this is the case, perhaps we should
make it a built-in on GuixSD too.