Re: [PATCH 1/3] KVM: cleanup (physical) CPU hotplug

[Paolo Bonzini]

Il 17/09/2013 09:57, Jan Kiszka ha scritto:
>> > Remove the useless argument, and do not do anything if there are no
>> > VMs running at the time of the hotplug.
> kvm_cpu_hotplug already filters !kvm_usage_count. If we need the check
> to be under kvm_lock, drop that line as well. If that is not required
> (machine still halted?), drop the related changes here.

CPU_DYING is called under stop_machine, CPU_STARTING is not.  So I
should drop the test in kvm_cpu_hotplug.  It's a bit clearer anyway to
not rely on stop_machine.

Paolo
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