On Wed, Nov 19, 2025 at 10:06:16AM +0800, Jason Wang wrote: > On Sun, Nov 16, 2025 at 2:45 PM Michael S. Tsirkin <[email protected]> wrote: > > > > On Fri, Nov 14, 2025 at 09:51:00AM +0800, Jason Wang wrote: > > > > So IIUC there will be a cluster, it may contain different groups of > > > > hosts, > > > > each group should have similar setups so that VMs can freely migrate > > > > between each other within the same group (but may not easily migratable > > > > across groups?). But I don't think I know well on that part in > > > > practise. > > > > > > Towards this, we may need to develop tools somewhere to report TAP > > > capability. Or as replied in another thread, developing software > > > fallback for new features, but it seems a burden. > > > > Or more generally, host capability from QEMU POV. > > Or you mean managment POV actually, for example TAP is usually created > by libvirt. > > Thanks
So what you propose is really this: 1- create tap 2- run qemu check that it did not fail 3- if it fails guess what the right set of flags is to make it not fail and switch to that and I am saying qemu should help with 3. > > > > -- > > MST > >
