On Sat, 2020-02-08 at 19:39 +0200, Mike Rapoport wrote: > > Do we need to make kmap() work on these? > > I don't think we need to make kmap() work on these. The idea is to prevent > kernel from accessing such memory areas. For the VM use case, KVM does kmap() guest memory when emulating page table operations in some cases: arch/x86/kvm/paging_tmpl.h:FNAME(cmpxchg_gpte).
