On which kernel tree is this broken? kvm/queue has #ifdef CONFIG_ZONE_DEVICE around that.
On 24.05.19 21:25, Paolo Bonzini wrote: > s390 does not have memremap, even though in this particular case it > would be useful. > > Signed-off-by: Paolo Bonzini <[email protected]> > --- > virt/kvm/kvm_main.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > index 1fadfb9cf36e..134ec0283a8a 100644 > --- a/virt/kvm/kvm_main.c > +++ b/virt/kvm/kvm_main.c > @@ -1761,8 +1761,10 @@ static int __kvm_map_gfn(struct kvm_memory_slot *slot, > gfn_t gfn, > if (pfn_valid(pfn)) { > page = pfn_to_page(pfn); > hva = kmap(page); > +#ifdef CONFIG_HAS_IOMEM > } else { > hva = memremap(pfn_to_hpa(pfn), PAGE_SIZE, MEMREMAP_WB); > +#endif > } > > if (!hva) >
