On 2011-05-19 10:43, Avi Kivity wrote:
> On 05/19/2011 11:25 AM, Jan Kiszka wrote:
>> >
>> >  Unspecified doesn't mean abort.  It means we need to specify something
>> >  (which translates to: we get to pick the priorities).
>>
>> Of course, PCI bars would have to be registered via
>> cpu_register_memory_region_overlap, just specifying the default
>> priority. Here we know that overlapping can happen and is not a bug in
>> the board emulation. I want to avoid that such use cases make
>> overlapping generally legal, papering over real bugs.
> 
> But those are the majority of regions.  There are a few extra RAM and
> ROM and fixed function regions, but these are hardly likely to clash.

You are probably only thinking about x86, which does not provide the
majority of QEMU devices.

Jan