On 29.03.2023 12:21, Marek Marczykowski-Górecki wrote: > Making subpage_mmio_ro_add() to call mmio_ro_ranges() on its own, > together with Roger's suggestion of using ioremap() internally instead > of using fixmap would make it a bit nicer (if mapping the same page with > ioremap() in addition to fixmap isn't a problem).
I don't see any problem there, as long as we don't gain many of these (at which point wasting address space may become an issue). Jan
