From: David Gibson <david@gibson.dropbear.id.au>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: mdroth@linux.vnet.ibm.com, Alexey Kardashevskiy <aik@ozlabs.ru>,
agraf@suse.de, qemu-devel@nongnu.org, qemu-ppc@nongnu.org,
bharata@linux.vnet.ibm.com
Subject: Re: [Qemu-devel] [RFCv2 1/2] spapr: Remove unnecessary owner field from sPAPRDRConnector
Date: Tue, 15 Sep 2015 10:30:36 +1000 [thread overview]
Message-ID: <20150915003036.GR2547@voom.fritz.box> (raw)
In-Reply-To: <55F6B989.8010900@redhat.com>
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On Mon, Sep 14, 2015 at 02:11:53PM +0200, Paolo Bonzini wrote:
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>
>
>
> On 14/09/2015 13:45, David Gibson wrote:
> >>>
> >>> === * There is no way for a child to determine what its parent
> >>> is. It is not * a bidirectional relationship. This is by
> >>> design. ===
> >>>
> >>> This part always confused me as there is "Object *parent" in
> >>> the "struct Object". So there is way to determine but it must
> >>> not be used? Is it debug only?
> >>>
> >>> Anyway, all members of the Object class are under /*< private
> >>> >*/ so they should not be accesses in sPAPR code, I believe.
> > Ah, good point, I missed that. I guess we have to keep the owner
> > field, redundant though it seems. Blech.
>
> I think the comment is wrong or at least inaccurate; it only applies
> to the external QOM interface. The patch is a good idea, even though
> OBJECT(x)->y traditionally is not used (instead you assign OBJECT(x) to
> a different Object* variable).
Ok.. so are you prepared to give a Reviewed-by, or do I need to ask
someone else (Andreas?) to approve this as QOMishly correct?
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2015-09-15 0:34 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-14 1:41 [Qemu-devel] [RFCv2 0/2] spapr: Cleanups to dynamic reconfiguration mechanism David Gibson
2015-09-14 1:41 ` [Qemu-devel] [RFCv2 1/2] spapr: Remove unnecessary owner field from sPAPRDRConnector David Gibson
2015-09-14 6:23 ` Bharata B Rao
2015-09-14 8:22 ` Alexey Kardashevskiy
2015-09-14 11:45 ` David Gibson
2015-09-14 12:11 ` Paolo Bonzini
2015-09-14 14:06 ` Alexey Kardashevskiy
2015-09-14 14:24 ` Paolo Bonzini
2015-09-16 3:16 ` David Gibson
2015-09-17 15:50 ` Michael Roth
2015-09-17 15:53 ` Paolo Bonzini
2015-09-17 23:03 ` Michael Roth
2015-09-17 15:01 ` Michael Roth
2015-09-15 0:31 ` David Gibson
2015-09-15 0:30 ` David Gibson [this message]
2015-09-15 11:05 ` Paolo Bonzini
2015-09-14 1:41 ` [Qemu-devel] [RFCv2 2/2] spapr: Don't use QOM [*] syntax for DR connectors David Gibson
2015-09-14 4:07 ` Bharata B Rao
2015-09-14 4:14 ` David Gibson
2015-09-14 4:41 ` Bharata B Rao
2015-09-14 5:20 ` David Gibson
2015-09-14 8:13 ` Alexey Kardashevskiy
2015-09-15 4:03 ` Michael Roth
2015-09-15 4:21 ` Michael Roth
2015-09-16 3:18 ` David Gibson
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