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 <pbonzini@xxxxxxxxxx>
> ---
> 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)
>
