RE: [RFC PATCH v3 4/9] hw/arm/virt: Initialize the present cpu members

[Salil Mehta]

> From: Qemu-arm [mailto:qemu-arm-bounces+salil.mehta=huawei.com@nongnu.org]
> On Behalf Of Yanan Wang
> Sent: Sunday, May 16, 2021 11:29 AM
> To: Peter Maydell <peter.maydell@linaro.org>; Andrew Jones
> <drjones@redhat.com>; Michael S . Tsirkin <mst@redhat.com>; Igor Mammedov
> <imammedo@redhat.com>; Shannon Zhao <shannon.zhaosl@gmail.com>; Alistair
> Francis <alistair.francis@wdc.com>; David Gibson
> <david@gibson.dropbear.id.au>; qemu-devel@nongnu.org; qemu-arm@nongnu.org
> Cc: Song Bao Hua (Barry Song) <song.bao.hua@hisilicon.com>; zhukeqian
> <zhukeqian1@huawei.com>; yangyicong <yangyicong@huawei.com>; Zengtao (B)
> <prime.zeng@hisilicon.com>; Wanghaibin (D) <wanghaibin.wang@huawei.com>;
> yuzenghui <yuzenghui@huawei.com>; Paolo Bonzini <pbonzini@redhat.com>;
> Philippe Mathieu-Daudé <philmd@redhat.com>
> Subject: [RFC PATCH v3 4/9] hw/arm/virt: Initialize the present cpu members
> 
> We create and initialize a cpuobj for each present cpu in
> machvirt_init(). Now we also initialize the cpu member of
> structure CPUArchId for each present cpu in the function.

[...]

>          qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
> +
> +        /*
> +         * As ARM cpu hotplug is not supported yet, we initialize
> +         * the present cpu members here.
> +         */
> +        machine->possible_cpus->cpus[n].cpu = cpuobj;


when vcpu Hotplug is not supported yet, what necessitates this change now?