> IOW, if I build a system with yocto for an embedded system, which is also a very useful candidate for a read-only system image installation, I cannot use this

> IOW, if I build a system with yocto for an embedded system, which is also a very useful candidate for a read-only system image installation, I cannot use this feature for this use-case because ... I agree that this is precisely a nice use-case, but why is this a problem? I agree with Lennarts reasoning that it makes little sense if the files are arbitrarily split between / and /usr. In any case, Yocto has had support for usrmerge for a while now[1]. [1] https://docs.yoctoproject.org/ref-manual/features.html?highlight=usrmerge https://docs.yoctoproject.org/ref-manual/features.html?highl...