On Wed, Oct 01, 2014 at 11:34:54AM +0100, Anup Patel wrote:
> The KVM_EXIT_SYSTEM_EVENT exit reason was added to define
> architecture independent system-wide events for a Guest.
>
> Currently, it is used by in-kernel PSCI-0.2 emulation of
> KVM ARM/ARM64 to inform user space about PSCI SYSTEM_OFF
> or PSCI SYSTEM_RESET request.
>
> For now, we simply treat all system-wide guest events as
> shutdown request in KVMTOOL.
>
> Signed-off-by: Pranavkumar Sawargaonkar <[email protected]>
> Signed-off-by: Anup Patel <[email protected]>
> Reviewed-by: Andre Przywara <[email protected]>
> ---
> tools/kvm/kvm-cpu.c | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/tools/kvm/kvm-cpu.c b/tools/kvm/kvm-cpu.c
> index ee0a8ec..5180039 100644
> --- a/tools/kvm/kvm-cpu.c
> +++ b/tools/kvm/kvm-cpu.c
> @@ -160,6 +160,27 @@ int kvm_cpu__start(struct kvm_cpu *cpu)
> goto exit_kvm;
> case KVM_EXIT_SHUTDOWN:
> goto exit_kvm;
> + case KVM_EXIT_SYSTEM_EVENT:
> + /*
> + * Print the type of system event and
> + * treat all system events as shutdown request.
> + */
> + switch (cpu->kvm_run->system_event.type) {
> + case KVM_SYSTEM_EVENT_SHUTDOWN:
> + printf(" # Info: shutdown system event\n");
> + goto exit_kvm;
> + case KVM_SYSTEM_EVENT_RESET:
> + printf(" # Info: reset system event\n");
> + printf(" # Info: KVMTOOL does not support VM
> reset\n");
> + printf(" # Info: please re-launch the VM
> manually\n");
Can you use pr_info here instead?
> + goto exit_kvm;
> + default:
> + printf(" # Warning: unknown system event
> type=%d\n",
> + cpu->kvm_run->system_event.type);
and pr_warning here? (be sure to drop the '\n's).
Will
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