Chen Qun eba2406898 arm/virt: Start up CPU hot-plug and cold-plug
All the CPU hotplug facilities are ready. Assemble them
to start up CPU hot-plug capability for arm/virt.

This also adds CPU cold plug support to arm virt machine
board. CPU cold plug means adding CPU by using "-device
xx-arm-cpu" when we bring up Qemu.

Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
(cherry picked from commit d5d118431a64c4202cb28c27bdea0f8667beb5dd)
2022-03-19 14:42:32 +08:00
2019-11-06 19:50:55 +08:00
2019-09-30 11:15:46 -04:00
2019-09-30 11:15:46 -04:00
2022-03-19 14:31:23 +08:00
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