[PATCH 09/11] xen/xenbus: use apply_to_page_range directly in xenbus_map_ring_pv

[boris.ostrovsky at oracle.com]

On 9/24/20 9:58 AM, Christoph Hellwig wrote:
> Replacing alloc_vm_area with get_vm_area_caller + apply_page_range
> allows to fill put the phys_addr values directly instead of doing
> another loop over all addresses.
>
> Signed-off-by: Christoph Hellwig <hch at lst.de>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky at oracle.com>


-boris