> On 6 Apr 2016, at 16:23 PM, Michael S. Tsirkin <m...@redhat.com> wrote: > > On Wed, Apr 06, 2016 at 11:22:24AM +0300, Dmitry Fleytman wrote: >> + MemoryRegion flash; >> >> >> Looks there's no real implementation for flash. So is this really needed >> (e.g did WHQL or other test check for this?). >> >> >> From our experience some drivers may verify that device exposes all memory >> regions as required by HW specification, so we added this dummy memory region >> to be on the safe side. > > But then, why use an io region?
Do you mean we should use memory_region_init() instead of memory_region_init_io() for registration? > Also, pls add some comments that explains this. I’ll add. Thanks. > > -- > MSt