Re: [Qemu-devel] [RFC] Memory API

[Gleb Natapov]

On Wed, May 18, 2011 at 06:42:14PM +0300, Avi Kivity wrote:
> On 05/18/2011 06:36 PM, Jan Kiszka wrote:
> >>
> >>  We need to head for the more hardware-like approach.  What happens when
> >>  you program overlapping BARs?  I imagine the result is
> >>  implementation-defined, but ends up with one region decoded in
> >>  preference to the other.  There is simply no way to reject an
> >>  overlapping mapping.
> >
> >But there is also now simple way to allow them. At least not without
> >exposing control about their ordering AND allowing to hook up managing
> >code (e.g. of the PCI bridge or the chipset) that controls registrations.
> 
> What about memory_region_add_subregion(..., int priority) as I
> suggested in another message?
Haven't saw another message yet, but how caller knows about priority?


--
                        Gleb.