On 2 September 2013 15:13, Marcel Apfelbaum <marce...@redhat.com> wrote: > Note: The series is incomplete, for review only > > PCI spec requires that a transaction that has not been claimed > by any PCI bus devices will be terminated by the initiator > with "master abort". For read transactions -1(FFFFFFFF) is returned and > writes are silently dropped. (already implemented in quemu)
...but only erroneously and by breaking a pile of other boards. > Note: > For the moment the code assumes that all the reads/writes on > pci address space are done by the cpu. This is a bogus assumption in the presence of bus mastering PCI devices, which aren't exactly uncommon. -- PMM
