Signed-off-by: Hu Tao <hutao@xxxxxxxxxxxxxx> --- docs/pv-event.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 docs/pv-event.txt diff --git a/docs/pv-event.txt b/docs/pv-event.txt new file mode 100644 index 0000000..ac9e7fa --- /dev/null +++ b/docs/pv-event.txt @@ -0,0 +1,17 @@ +KVM PV EVENT +============ + +kvm pv event allows guest OS to notify host OS of some events, for +example, guest panic. Currently, there is one event supported, that +is, guest panic. More events can be added later. + +By default, kvm pv event is disabled. In order to enable it, you have +to specify enable_pv_event=on for -machine command line option, along +with -global kvm_pv_event.panicked_action to specify the action taken +when panic event has occurred. Aviable panic actions are: "none", +"pause", "poweroff" and "reset". Following is example: + + qemu-system-x86_64 -enable-kvm -machine pc-0.12,enable_pv_event=on \ + -global kvm_pv_event.panicked_action=pause <other options> + +kvm pv event needs kvm support. -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
