Re: [PATCH] drm/virtio: use virtio_max_dma_size

[Christoph Hellwig]

On Thu, Aug 08, 2019 at 05:34:45PM +0200, Gerd Hoffmann wrote:
> We must make sure our scatterlist segments are not too big, otherwise
> we might see swiotlb failures (happens with sev, also reproducable with
> swiotlb=force).

Btw, any chance I could also draft you to replace the remaining
abuses of swiotlb_max_segment and swiotlb_nr_tbl in drm with proper
dma level interface?