On Mon, 10 Apr 2023 20:26:20 -0700, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > On Tue, Apr 11, 2023 at 09:56:19AM +0800, Xuan Zhuo wrote: > > Do you mean we should not change the dma_ops from the outside of the core > > kernel/dma/? > > Basically, yes. That plus probing for the IOMMU drivers. > > > How about adding one new "dma_direct" to struct devive? > > Why would we? > > Can you please explain what you're even trying to do? I want to force a device use direct dma map. Thanks. > But checking > a dma_direct flag for sure isn't the solution. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization