[PATCH 2/2] vhost: re-introducing metadata acceleration through kernel virtual address

Hillf Danton
Fri, 06 Sep 2019 03:21:54 -0000

On Thu,  5 Sep 2019 20:27:36 +0800 From:   Jason Wang <jasowang at
redhat.com>
>
> +static void vhost_set_map_dirty(struct vhost_virtqueue *vq,
> +				struct vhost_map *map, int index)
> +{
> +	struct vhost_uaddr *uaddr = &vq->uaddrs[index];
> +	int i;
> +
> +	if (uaddr->write) {
> +		for (i = 0; i < map->npages; i++)
> +			set_page_dirty(map->pages[i]);
> +	}

Not sure need to set page dirty under page lock.