> +int map_dev_mmio_region(struct domain *d,
> + unsigned long start_gfn,
> + unsigned long nr,
> + unsigned long mfn)
> +{
> + int res;
> +
> + if ( !(nr && iomem_access_permitted(d, start_gfn, start_gfn + nr - 1)) )
> + return 0;
> +
> + res = map_mmio_regions(d, start_gfn, nr, mfn);
> + if ( res < 0 )
> + {
> + printk(XENLOG_ERR "Unable to map [%#lx - %#lx] in Dom%d\n",
Perhaps we also want to rate limit this?
> + start_gfn, start_gfn + nr - 1, d->domain_id);
> + return res;
> + }
> +
> + return 0;
> +}
> +
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