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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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