Christoph Hellwig <hch@xxxxxx> writes: > On Tue, Jan 29, 2019 at 09:36:08PM -0500, Michael S. Tsirkin wrote: >> This has been discussed ad nauseum. virtio is all about compatibility. >> Losing a couple of lines of code isn't worth breaking working setups. >> People that want "just use DMA API no tricks" now have the option. >> Setting a flag in a feature bit map is literally a single line >> of code in the hypervisor. So stop pushing for breaking working >> legacy setups and just fix it in the right place. > > I agree with the legacy aspect. What I am missing is an extremely > strong wording that says you SHOULD always set this flag for new > hosts, including an explanation why. My understanding of ACCESS_PLATFORM is that it means "this device will behave in all aspects like a regular device attached to this bus". Is that it? Therefore it should be set because it's the sane thing to do? -- Thiago Jung Bauermann IBM Linux Technology Center _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
