Re: [Qemu-devel] [PATCH 0/2 v3] kvm: notify host when guest panicked

[Wen Congyang]

At 03/19/2012 03:33 PM, Wen Congyang Wrote:
> At 03/08/2012 03:57 PM, Wen Congyang Wrote:
>> We can know the guest is paniced when the guest runs on xen.
>> But we do not have such feature on kvm.
>>
>> Another purpose of this feature is: management app(for example:
>> libvirt) can do auto dump when the guest is crashed. If management
>> app does not do auto dump, the guest's user can do dump by hand if
>> he sees the guest is paniced.
>>
>> I touch the hypervisor instead of using virtio-serial, because
>> 1. it is simple
>> 2. the virtio-serial is an optional device, and the guest may
>>    not have such device.
>>
>> Changes from v2 to v3:
>> 1. correct spelling
>>
>> Changes from v1 to v2:
>> 1. split up host and guest-side changes
>> 2. introduce new request flag to avoid changing return values.
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> 
> 
> Hi all:
> 
> we neet this feature, but we don't decide how to implement it.
> We have two solution:
> 1. use vmcall
> 2. use virtio-serial.
> 
> I will not change this patch set before we decide how to do it.
> Can we make a decision recent days?

Anybody can decide which solution to use?

Thanks
Wen Congyang

> 
> Thanks
> Wen Congyang
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