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doc: update documents for "--rtvm" parameter 

This patch update documents for "--rtvm" parameter.

Tracked-On: #2865
Signed-off-by: Kaige Fu <kaige.fu@intel.com>
This commit is contained in:
Kaige Fu 2019-04-02 20:55:18 +00:00 committed by David Kinder
parent 469ce711c5
commit f4f9970623
1 changed files with 10 additions and 1 deletions
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11
doc/user-guides/acrn-dm-parameters.rst
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@ -318,6 +318,15 @@ Here are descriptions for each of these ``acrn-dm`` command line parameters:
* - :kbd:`--lapic_pt` * - :kbd:`--lapic_pt`
- This option is to create a VM with lapic pass-through. - This option is to create a VM with lapic pass-through.
With this option, a VM is created with LAPIC_PASSTHROUGH and 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. By default, DM will create VM without this option.