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doc: update documents for "--lapic_pt" feature

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- added description of lapic pt feature based on vlapic in HLD virt-interrupt part;
- updated the doc to include description of new acrn-dm option "--lapic_pt".

Tracked-On: #2351
Signed-off-by: Yan, Like <like.yan@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Yan, Like
2019-01-24 20:04:33 +08:00
committed by David Kinder
parent 2ffc683d01
commit 72faca5068
3 changed files with 25 additions and 1 deletions
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7
doc/user-guides/acrn-dm-parameters.rst
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@@ -313,3 +313,10 @@ Here are descriptions for each of these ``acrn-dm`` command line parameters:
By default, DM will create the MPtable for you. Use this option to
disable it.
* - :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.
By default, DM will create VM without this option.