Re: [PATCH 1/2] xen/arm64: do not set SWIOTLB_NO_FORCE when swiotlb is required

[Christoph Hellwig <hch@xxxxxx>]

> -int xen_swiotlb_detect(void)
> -{
> -     if (!xen_domain())
> -             return 0;
> -     if (xen_feature(XENFEAT_direct_mapped))
> -             return 1;
> -     /* legacy case */
> -     if (!xen_feature(XENFEAT_not_direct_mapped) && xen_initial_domain())
> -             return 1;
> -     return 0;
> -}

I think this move should be a separate prep patch.