Alexey Kardashevskiy <a...@ozlabs.ru> writes: > On 07/13/2013 06:03 PM, David Gibson wrote: >> On Fri, Jul 12, 2013 at 05:37:19PM +1000, Alexey Kardashevskiy wrote: >>> sPAPR PHB emulates IO ports on PCI via a special memory region which >>> routes all reads/writes further via cpu_in*/cpu_out* which are eventually >>> processed by MemoryRegionOps implemented by devices. > >> Hrm. That double dispatch was a workaround for bugs in the plain >> memory region dispatching which meant we couldn't directly map regions >> in memory space to IO areas. >> >> It would be worth checking if that workaround is still necessary. > > Hm. Good point, thanks! It seems memory_region_init_io is not necessary any > more. Will make a patch for it.
You should try the latest qemu.git commit. There shouldn't be a problem anymore. Regards, Anthony Liguori > > > -- > Alexey
