nixos on hyperv: hot-add CPU
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@ -40,12 +40,16 @@ in {
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security.rngd.enable = false;
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# enable hotadding memory
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# enable hotadding cpu/memory
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services.udev.packages = lib.singleton (pkgs.writeTextFile {
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name = "hyperv-memory-hotadd-udev-rules";
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destination = "/etc/udev/rules.d/99-hyperv-memory-hotadd.rules";
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name = "hyperv-cpu-and-memory-hotadd-udev-rules";
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destination = "/etc/udev/rules.d/99-hyperv-cpu-and-memory-hotadd.rules";
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text = ''
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ACTION="add", SUBSYSTEM=="memory", ATTR{state}="online"
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# Memory hotadd
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SUBSYSTEM=="memory", ACTION=="add", DEVPATH=="/devices/system/memory/memory[0-9]*", TEST=="state", ATTR{state}="online"
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# CPU hotadd
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SUBSYSTEM=="cpu", ACTION=="add", DEVPATH=="/devices/system/cpu/cpu[0-9]*", TEST=="online", ATTR{online}="1"
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'';
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});
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