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From: Paolo Bonzini <pbonzini@redhat.com>
To: Eduardo Habkost <ehabkost@redhat.com>,
	Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: qemu-devel <qemu-devel@nongnu.org>,
	Markus Armbruster <armbru@redhat.com>
Subject: Re: QOM address space handling
Date: Tue, 10 Nov 2020 16:08:16 +0100	[thread overview]
Message-ID: <eec01576-51b4-e52b-f511-b127c6182da3@redhat.com> (raw)
In-Reply-To: <20201110150333.GE5733@habkost.net>

On 10/11/20 16:03, Eduardo Habkost wrote:
>> Does anyone have any arguments for which solution is preferred?
> I'd say (2) is preferred, as we don't expect object_new(T) to
> have any side effects outside the object instance state.

Since there are no listeners, the side effects of address_space_init() 
are relatively limited.  So doing it in instance_init is not a big deal.

> Most
> address_space_init() calls in the code today seem to be in
> realize functions.
> 
> However, I wonder if we could make this simpler (and mistakes
> less fatal) if we make AddressSpace a QOM child of the device.
> Paolo, would it be too much overhead to make AddressSpace a QOM
> object?

No, it wouldn't.  AddressSpace is already quite heavyweight.

Paolo



  reply	other threads:[~2020-11-10 15:12 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-10 11:14 QOM address space handling Mark Cave-Ayland
2020-11-10 11:40 ` Paolo Bonzini
2020-12-18  7:49   ` Mark Cave-Ayland
2020-12-18 22:32     ` Eduardo Habkost
2020-12-20  9:25       ` Paolo Bonzini
2020-12-21 18:54         ` Eduardo Habkost
2020-12-21 19:16           ` Paolo Bonzini
2020-12-21 19:28             ` Eduardo Habkost
2020-11-10 15:03 ` Eduardo Habkost
2020-11-10 15:08   ` Paolo Bonzini [this message]
2020-11-10 17:46     ` Eduardo Habkost
2020-11-10 18:36       ` Eduardo Habkost

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