Re: [Qemu-devel] KVM call agenda for Tuesday 3

[Peter Maydell <peter.maydell@linaro.org>]

On 3 January 2012 14:02, Anthony Liguori <anthony@codemonkey.ws> wrote:
> On 01/03/2012 07:57 AM, Peter Maydell wrote:
>> The CPU should always be a child of the board, surely, even if the user
>> might want to use a different one? That's just basic composition.
>> The links should be for "the CPU has two input IRQ lines" and so on.
>
> Not in the PC world.
>
> You buy a motherboard with an empty CPU socket and then purchase a CPU
> separately and plug it in.
>
> link<> essentially models any type of socket whereas child<> basically means
> "soldered to the board or embedded in silicon".
>
> It may be true for SoCs that CPUs are always child<> but that's not
> universal.

OK, that makes sense, although it leaves me a bit unclear how we
handle the legacy "-cpu" option (clearly useful for users but what it
ought to do to the underlying set of qom objects will vary from machine
to machine...)

-- PMM