>>> On 17.11.15 at 10:40, <shannon.z...@linaro.org> wrote:
> --- a/xen/arch/arm/mm.c
> +++ b/xen/arch/arm/mm.c
> @@ -1138,6 +1138,10 @@ int xenmem_add_to_physmap_one(
>          rcu_unlock_domain(od);
>          break;
>      }
> +    case XENMAPSPACE_dev_mmio:
> +        rc = map_dev_mmio_region(d, gpfn, 1, idx);
> +        return rc;
> +        break;

Blindly for any kind of domain? The XSM check in the
XENMEM_add_to_physmap_batch handler (in common code) doesn't
even know which map space is to be used...

Jan


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