Re: [Qemu-devel] [PATCH 2/5] exec: qemu_ram_alloc_device, qemu_ram_resize

[Juan Quintela]

"Michael S. Tsirkin" <address@hidden> wrote:
> On Wed, Nov 19, 2014 at 02:51:38PM +0100, Juan Quintela wrote:

> Actually yes: devices that want this functionality need to call
> the new API.
> At the point where API is called, would be the best place to
> put in an explanation why it should be resizeable.
>
>
>> In general it would not work, even if it
>> works on one particular case.  If they are bigger, it is because device
>> code use that for something.  not necesarely something that can be
>> ignored.
>> 
>> Later, Juan.
>
> Absolutely.  And that is why callers get a callback notifying them about
> resize.
>
> See? You are arriving at my design step by step :)

Then why we ever wonder about assingning the space on the 1st place?
Just got it from the migration stream?

Later, Juan.