On Wed, Jan 16, 2019 at 09:05:40AM -0500, Michael S. Tsirkin wrote: > On Tue, Jan 15, 2019 at 02:22:57PM +0100, Joerg Roedel wrote: > > + max_size = dma_max_mapping_size(&vdev->dev); > > + > > > Should this be limited to ACCESS_PLATFORM? > > I see no reason to limit this without as guest can > access any memory. Actually, yes. This should be inside a use_dma_api check. I had it in v1, but it went away without the vring layer for propagating the limit. I'll add that again. Thanks, Joerg _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization