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

[Avi Kivity <avi@redhat.com>]

Jan Kiszka wrote:
> 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.
>
>   

What do you mean by 'old dedicated version'?

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.