Re: [Qemu-devel] [PATCH RFC for-2.3? 0/8] prep: Fix pc87312 for -device usage

[Paolo Bonzini <pbonzini@redhat.com>]

On 30/03/2015 16:25, Markus Armbruster wrote:
> Andreas Färber <afaerber@suse.de> writes:
> 
>> Hello Markus et al.,
>>
>> This series attempts to fix the -device pc87312 issues you reported.
>>
>> I can't add alias properties for devices that don't get created before realize.
>> Therefore this involves moving code for various ISA devices, to enable us
>> to initialize the objects early for alias properties and realizing them
>> as part of the composite device once the configuration is known, also fixing
>> error propagation while at it. Probably needs a further iteration.
>>
>> Yes, it's terribly invasive, that's why the code was as it is.
>> But the code movements are quite trivial, as long as no in-air conflicts occur.
> 
> Pity we have to move the state structs to the header, but that what we
> have to do to make them embeddable.  And I understand embedding is how
> we do sub-devices ("part of" instead of "plugged into").
> 
> Your changes are quite regular.  They don't look scary to me, but that
> could be just ignorance.  They're non-trivial enough though to make wary
> of merging them for 2.3 this late.

The question is really: what is gained from this series as of 2.3?  Is
anything actually using "-device pc87312"?  It was broken before IIUC,
so it can remain broken for one more version.  Markus's patches would
just add one more "git revert" to this series, basically.

Paolo