On 9 September 2013 17:54, Jan Kiszka <jan.kis...@siemens.com> wrote: > DMA requests from one device to another targeting anything else but > RAM-backed regions will have to be rejected by QEMU in the future. We > cannot map this sanely on a per-device locking model. The filtering will > take place early in the memory core, to avoid any risk of deadlocking. > No idea if reporting them as aborts will be easily feasible then.
Why is a DMA request any different from any other communication between two devices? -- PMM
