Comment # 15 on bug 1186710 from Takashi Iwai

(In reply to Takashi Iwai from comment #14)
> (In reply to Michal Suchanek from comment #13)
> > TW kernel packages have to be built separately for Leap because kernel
> > contains userspace binaries that require the new libc.
> 
> For Nvidia or such that needs a build of modules afterwards, yes, but
> currently kernel-default.rpm itself could be used on Leap until now.

Correction, kernel-default.rpm would still work for now.  I guess it'll start
breaking once if the install path changes from /lib/modules to /usr/lib/modules
(if any).  A compat symlink (/usr/lib/modules -> /lib/modules) might work on
Leap side, though.