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From: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu, 02 Feb 2012 20:24:17 +0100
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Subject: Re: [Qemu-devel] [PATCH 04/16] qom: add QObject-based property
	get/set wrappers
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To: qemu-devel@nongnu.org

On 02/02/2012 08:06 PM, Anthony Liguori wrote:
> I don't want object.h to have a dependency on QObject.  We need to phase
> out QObject.

The header doesn't.

> Couple things:
>
> 1) We shouldn't use generic interfaces to read/write properties from
> objects. We should use type-safe accessors provided by the types
> themselves.
>
> 2) If we want to get fancy, we can add property_set_int, etc. and then
> implement (1) via header files that just call these functions.

That's what patch 5 does.  But writing visitors in C is a royal PITA. 
The only sane way to do so is via QObject.

Paolo