From f4f99706237a00c3fb5f18953289b84fd960841b Mon Sep 17 00:00:00 2001 From: Kaige Fu Date: Tue, 2 Apr 2019 20:55:18 +0000 Subject: [PATCH] doc: update documents for "--rtvm" parameter This patch update documents for "--rtvm" parameter. Tracked-On: #2865 Signed-off-by: Kaige Fu --- doc/user-guides/acrn-dm-parameters.rst | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/doc/user-guides/acrn-dm-parameters.rst b/doc/user-guides/acrn-dm-parameters.rst index c84185326..ca9187de9 100644 --- a/doc/user-guides/acrn-dm-parameters.rst +++ b/doc/user-guides/acrn-dm-parameters.rst @@ -318,6 +318,15 @@ Here are descriptions for each of these ``acrn-dm`` command line parameters: * - :kbd:`--lapic_pt` - This option is to create a VM with lapic pass-through. With this option, a VM is created with LAPIC_PASSTHROUGH and - IOREQ_COMPLETION_POLLING mode. This kind of VM is generally for realtime scenarios. + IOREQ_COMPLETION_POLLING mode. This kind of VM is generally for hard realtime scenarios. + + By default, DM will create VM without this option. + + * - :kbd:`--rtvm` + - This option is to create a VM with realtime attribute. + With this option, a VM is created with GUEST_FLAG_RT and GUEST_FLAG_IOREQ_COMPLETION_POLLING + mode. This kind of VM is generally for soft realtime scenarios (without lapic_pt) or hard + realtime scenarios (with lapic_pt). This kind of VM can't be interfered by SOS during runtime. + It can only be poweroff from inside of itself. By default, DM will create VM without this option.