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Date: Wed, 01 Apr 2015 12:14:15 +0300
From: Marcel Apfelbaum <marcel@redhat.com>
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Subject: Re: [Qemu-devel] [qemu devel] disable shared memory is not
 available with this QEMU binary
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To: Paolo Bonzini <pbonzini@redhat.com>, Markus Armbruster <armbru@redhat.com>
Cc: Tony Krowiak <akrowiak@linux.vnet.ibm.com>, qemu-devel@nongnu.org, =?windows-1252?Q?Andreas_F=E4rber?= <afaerber@suse.de>

On 04/01/2015 12:07 PM, Paolo Bonzini wrote:
>
>
> On 01/04/2015 10:42, Markus Armbruster wrote:
>> The obvious way to return them is to put them right back in
>> qemu_machine_opts.desc[].  But then -machine rejects machine-specific
>> parameters.
>>
>> Hack: monkey-patch them in after we're done parsing.
>>
>> Cleaner: "empty desc[] means accept anything" has always been overly
>> restrictive.  Have a flag "accept additional parameters".
>>
>> We may have to do the former for 2.3, but that's no excuse not to
>> replace it by something less gross in 2.4.
>
> The latter sounds less intrusive, actually.  Could it be as easy as
>
>   static bool opts_accepts_any(const QemuOpts *opts)
>   {
> -    return opts->list->desc[0].name == NULL;
> +    return opts->list->desc[0].name == NULL || opts->list->accept_any;
>   }
>
> ?
This + 'monkey-patch' may be a feasible solution for 2.4

Thanks, I'll give it a try and see how ugly will be
Marcel
>
> Paolo
>