On Mon, May 11, 2026 at 08:38:44PM +0200, Mohamed Mediouni wrote: > And not very relevant to Grace + GPU systems specifically, but any hopes of > live > migration support are lost outside of very awkward placement trickery when > using > this to match host addresses.
I think live migration is still possible, it does further limit migration pairs to ones with identical physical topology though. > Is this specific to the NIC attached directly to the GPU (that is > then attached over C2C) configuration? Something like that, it is convoluted. > Using PCIe passthrough with ATS disabled doesn’t sound like such a great idea > on the security side of things imo. The platform was specifically designed in a way that this is secure. Yes it is not a great idea in general but with careful choices it can be made safe. Jason
