On Mon, May 21, 2018 at 11:04:10AM +0200, Jan Kara wrote: > We definitely do have customers using "execute in place" on s390x from > dcssblk. I've got about two bug reports for it when customers were updating > from old kernels using original XIP to kernels using DAX. So we need to > keep that working. That is all good an fine, but I think time has come where s390 needs to migrate to provide the pmem API so that we can get rid of these special cases. Especially given that the old XIP/legacy DAX has all kinds of known bugs at this point in time.
