Re: [Qemu-devel] [PATCH] memory: check address space when a listener is registered

[Julien Grall]

On 04/05/2012 11:10 AM, Avi Kivity wrote:
> On 04/04/2012 05:15 PM, Julien Grall wrote:
>    
> > This patch resolves a bug in memory listener registration.
> > "range_add" callback  was called on each section of the both
> > address space (IO and memory space) even if it doesn't match
> > the address space filter.
> >
> >      
> Thanks, applied.
>
> Did you find this bug by inspection, or did it bite you?  I thought all
> listeners were registered before address spaces were materialized.
>
>    
I added a listener on IO address space for Xen.
The listener is registered after Xen allocates ram.
Without this patch, the listener was called on Xen ram.