Re: [Qemu-devel] [snabb-devel:650] Re: [PATCH v3 1/7] Add -mem-share option

[Paolo Bonzini]

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Il 14/12/2013 04:53, Eric Blake ha scritto:
>>> +DEF("mem-share", 0, QEMU_OPTION_mem_share,
> Ouch.  Doesn't this mean you are defining a boolean option (absent
> or present) as opposed to a qemuOpts option?  I've already been
> complaining that other boolean opts are currently undiscoverable to
> QMP; they also have the drawback of having no way to turn the
> option back off if an alias turned it on earlier in the command
> line.  Can we use qemuOpts here (so query-command-line-options can
> see it), and with a boolean on/off argument (so it's not a one-way
> switch)?

This can be replaced with a memdev property as soon as memdev gets in.

We'll need to provide a way to introspect the properties of a QOM
object, though.

Paolo
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