Cc libvir-list since this will (intentionally) break compatibility
with current libvirt code that looks for "/machine/unattached/device[0]"
in the assumption it is the first CPU.
On Tue, Feb 01, 2022 at 12:35:06AM +0100, Philippe Mathieu-Daudé wrote:
> Previously CPUs were exposed in the QOM tree at a path
>
> /machine/unattached/device[nn]
>
> where the 'nn' of the first CPU is usually zero, but can
> vary depending on what devices were already created.
>
> With this change the CPUs are now at
>
> /machine/cpu[nn]
>
> where the 'nn' of the first CPU is always zero.
>
> Suggested-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>
> ---
> hw/i386/x86.c | 1 +
> 1 file changed, 1 insertion(+)
Reviewed-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
>
> diff --git a/hw/i386/x86.c b/hw/i386/x86.c
> index b84840a1bb9..50bf249c700 100644
> --- a/hw/i386/x86.c
> +++ b/hw/i386/x86.c
> @@ -108,6 +108,7 @@ void x86_cpu_new(X86MachineState *x86ms, int64_t apic_id, Error **errp)
> {
> Object *cpu = object_new(MACHINE(x86ms)->cpu_type);
>
> + object_property_add_child(OBJECT(x86ms), "cpu[*]", OBJECT(cpu));
> if (!object_property_set_uint(cpu, "apic-id", apic_id, errp)) {
> goto out;
> }
> --
> 2.34.1
>
Regards,
Daniel
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