On Sun, Sep 27, 2020 at 08:05:07AM +0000, Sherry Sun wrote: > Hi Christoph, > > > On Fri, Sep 25, 2020 at 03:26:29PM +0800, Sherry Sun wrote: > > > Set VIRTIO_F_ACCESS_PLATFORM feature for nocoherent platform, since it > > > needs the DMA API for virtio. > > > > Given that VOP is a plug-in PCIe card VIRTIO_F_ACCESS_PLATFORM must > > always be set, as the DMA mapping details are not something the virtio > > implementation decides on, but the host PCIe/iommu implementation. > > So do you mean that we should remove the check, and set > VIRTIO_F_ACCESS_PLATFORM feature directly?
Yes. In a separate prep patch.
