On Fri, Aug 14, 2026 at 05:37:48PM +0800, Yu Zhang wrote: > > Why check it at all? Is there an issue with attaching the same thing > > twice? Will it blip the DMA or something? > > Actually, I do not think there should be any issue with attaching twice. > Hyper-V *should* be able to accept such attachment. But I do not want to > make such assumption just for a redundant hypercall. > > Does this reasoning make sense, or would you prefer that I remove the > check?
I would probably drop it. Having blocking always set blocking to the HW regardless of what the SW tracking state says feels more robust to me. Jason
