[Qemu-devel] Re: [PATCH 8/8] kvm: Rework VCPU reset

[Jan Kiszka]

Avi Kivity wrote:
> Jan Kiszka wrote:
>> Use standard callback with highest order to synchronize VCPU on reset
>> after all device callbacks were execute. This allows to remove the
>> special kvm hook in qemu_system_reset.
>>   
> 
> Is this needed for the lapic reset callback?
> 
> If so, we can express the dependency explicitly rather than with a
> priority, by having cpu reset notifiers invoked when the cpu is reset. 
> In the case of the lapic, I don't think we need an abstract mechanism;
> the lapic is part of the cpu, not some random device.
> 
> Maybe we should even save/load it as part of the cpu.
> 

QEMU is not only providing the LAPIC, but also covering the old
dedicated version. That makes at least HW instantiating a bit more complex.

Jan

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