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Enable memory and CPU hotplugging for virtual machines (#1156) (#1158)

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Use udev rules to set the CPU online. For memory, we let the kernel
bring memory online automatically. This is preferred as udev rule
processing might be delayed in a low memory situation, see:
https://lwn.net/Articles/668944/
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Stefan Agner 2021-01-05 23:19:42 +01:00 committed by GitHub
parent 0188f24a0d
commit ce1f07126f
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5
buildroot-external/board/intel/ova/kernel.config
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CONFIG_EFI_STUB=y CONFIG_EFI_STUB=y
CONFIG_HOTPLUG_CPU=y
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_VMXNET3=y CONFIG_VMXNET3=y
CONFIG_VMWARE_PVSCSI=y CONFIG_VMWARE_PVSCSI=y
CONFIG_VMWARE_VMCI_VSOCKETS=y CONFIG_VMWARE_VMCI_VSOCKETS=y

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buildroot-external/rootfs-overlay/usr/lib/udev/rules.d/80-hotplug-cpu.rules Normal file
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SUBSYSTEM=="cpu", ACTION=="add", TEST=="online", ATTR{online}=="0", ATTR{online}="1"