Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev

[Anthony Liguori]

On 03/14/2012 10:54 AM, Gleb Natapov wrote:
> On Wed, Mar 14, 2012 at 10:42:50AM -0500, Anthony Liguori wrote:
> > There's still a few places in QEMU that assume that
> > qemu_ram_get_ptr() returns a pointer that's good indefinitely.
> >
> > We also don't have a mechanism to revoke cpu_physical_map()
> > pointers.  Maybe the answer is reference counting and relying on
> > being able to eventually release the memory...   Of course, then an
> > unplug followed by an immediate plug would be complicated.
> Hmm, Avi assured me that with the memory API rework it should be easy :(
> grep founds nothing about qemu_ram_get_ptr() and cpu_physical_map()
> though. What should I look for?

memory_region_get_ptr() and cpu_memory_physical_map().

Regards,

Anthony Liguori