Re: [PATCH] kvm: fix compilation on s390

[Christian Borntraeger]

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)
>