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    SubjectRe: [PATCH 0/2 v3] kvm: notify host when guest panicked
    At 03/09/2012 09:21 AM, Wen Congyang Wrote:
    > At 03/08/2012 07:13 PM, Avi Kivity Wrote:
    >> On 03/08/2012 09:57 AM, 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.
    >>
    >> I see no Documentation/ changes.

    Do you have any other comments about this patch?

    >
    > What shoude be writen into Documentation/? I read the documents under
    > Documentation/virtual/kvm, not all KVM_EXIT_* are writen in api.txt.
    > In this patch set, I introduce a new exit_reason: KVM_EXIT_GUEST_PANICKED,
    > but I donot know where I should write.

    What about this?

    Thanks
    Wen Congyang

    >
    > Thanks
    > Wen Congyang
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