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From: | Peter Maydell |
Subject: | Re: [Qemu-devel] [PATCH RFC v2 2/2] hw/pci: handle unassigned pci addresses |
Date: | Mon, 9 Sep 2013 17:58:18 +0100 |
On 9 September 2013 17:54, Jan Kiszka <address@hidden> 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
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