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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`
- 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.