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Re: [Qemu-devel] [PATCH 0/3] Add dbus-vmstate

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 0/3] Add dbus-vmstate
Date: Wed, 10 Jul 2019 11:54:54 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2

On 10/07/19 11:03, Daniel P. Berrangé wrote:
>> Would it be possible to make QEMU the broker?  That is, how hard would it
>> be to embed a minimal DBus broker (which only takes care of connecting 
>> servers
>> and clients---stuff like launching servers would be completely out of scope)?
> What would be the benefit of embedding it in QEMU ?

If in the future we want to keep only the multiprocess case then QEMU
would be able to launch subprocesses itself.  In this case you'd keep
the old command line working but QEMU would set up the bus and the
services that work together on it (for example the basic QOM operations
such as unparent and property get/set could be mapped to a DBus
interface, and QOM classes and interfaces could also become DBus
interfaces).  The broker itself could be a separate subprocess.


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