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Re: [Qemu-devel] [PATCH] [RFC] Remove ppc_newworld/ppc_oldworld

From: Andreas Färber
Subject: Re: [Qemu-devel] [PATCH] [RFC] Remove ppc_newworld/ppc_oldworld
Date: Fri, 16 Dec 2011 21:06:53 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111105 Thunderbird/8.0

Am 16.12.2011 19:08, schrieb Anthony Liguori:
> I notice that these two machines have seem to have never really been touched
> other than tree-wide refactoring since their introduction.  Googling for the
> machine types doesn't hit any user questions or comments about the machine
> types.
> For the most part, the devices haven't been converted to qdev and are actually
> the only remaining PCI devices that haven't been.
> To me this indicates that the code currently isn't being used by anyone.  I
> can do the qdev conversions if it is, but as far as I can tell, it's just bit
> rotting right now.
> Is this accurate?  Can we remove this code?  If there is future interest here,
> it's easy enough to revert this, fix up the code, and resubmit.

No. There's an easy explanation why you might not find much mentions of
the machine names: g3beige (ppc_oldworld.c) is the default for
qemu-system-ppc, and mac99 (ppc_newworld.c) is the default for

If there's something ppc you'd like to remove then I would be open about
discussing the current ppc_prep.c machine but not its infrastructure
(prep_pci etc. - there we started a qdev'ification) as that's needed for
40p and bebox machines. I was holding back any refactorings while
MemoryRegion API was a moving target and now QOM didn't seem inviting
either. ;)


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