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    SubjectRe: [PATCH]qemu: deal with guest paniced event
    On 2012-02-27 04:05, Wen Congyang wrote:
    > When the host knows the guest is paniced, it will set
    > exit_reason to KVM_EXIT_GUEST_PANIC. So if qemu receive
    > this exit_reason, we can send a event to tell management
    > application that the guest is paniced.
    >
    > Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
    > ---
    > kvm-all.c | 3 +++
    > linux-headers/linux/kvm.h | 1 +
    > monitor.c | 3 +++
    > monitor.h | 1 +
    > 4 files changed, 8 insertions(+), 0 deletions(-)
    >
    > diff --git a/kvm-all.c b/kvm-all.c
    > index c4babda..ae428ab 100644
    > --- a/kvm-all.c
    > +++ b/kvm-all.c
    > @@ -1190,6 +1190,9 @@ int kvm_cpu_exec(CPUState *env)
    > (uint64_t)run->hw.hardware_exit_reason);
    > ret = -1;
    > break;
    > + case KVM_EXIT_GUEST_PANIC:
    > + monitor_protocol_event(QEVENT_GUEST_PANICED, NULL);
    > + break;
    > case KVM_EXIT_INTERNAL_ERROR:
    > ret = kvm_handle_internal_error(env, run);
    > break;
    > diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
    > index f6b5343..45dd031 100644
    > --- a/linux-headers/linux/kvm.h
    > +++ b/linux-headers/linux/kvm.h
    > @@ -163,6 +163,7 @@ struct kvm_pit_config {
    > #define KVM_EXIT_OSI 18
    > #define KVM_EXIT_PAPR_HCALL 19
    > #define KVM_EXIT_S390_UCONTROL 20
    > +#define KVM_EXIT_GUEST_PANIC 21
    >
    > /* For KVM_EXIT_INTERNAL_ERROR */
    > #define KVM_INTERNAL_ERROR_EMULATION 1

    linux-headers are supposed to be synchronized in a separate patch,
    naming the upstream or kvm.git hash they pull in. IOW: the KVM ABI
    change has to be applied first.

    Jan

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