doc: update release notes for v2.6 on configuration upgrades
This patch updates recommendations to upgrade from a prior ACRN version for v2.6. Signed-off-by: Junjie Mao <junjie.mao@intel.com>
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@ -45,6 +45,30 @@ Upgrading to v2.6 From Previous Releases
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We highly recommended that you follow these instructions to
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upgrade to v2.6 from previous ACRN releases.
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Generate New Board XML
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======================
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Board XML files, generated by ACRN board inspector, contain board information
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that is essential to build ACRN. Compared to previous versions, ACRN v2.6 adds
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the following hardware information to board XMLs to support the new features and
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fixes.
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- Maximum width of physical and linear addresses
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- Device objects in the ACPI namespace
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- Routing of PCI interrupt pins
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- Number of requested vectors of MSI-capable PCI devices
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The new board XML can be generated using the ACRN board inspector in the same
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way as ACRN v2.5. Refer to :ref:`acrn_config_workflow` for a complete list of
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steps to deploy and run the tool.
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Add New Configuration Options
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=============================
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In v2.6, the following elements are added to scenario XML files.
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- :option:`hv.FEATURES.ENFORCE_TURNOFF_GP` (Default value is ``n``)
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- :option:`hv.FEATURES.SECURITY_VM_FIXUP` (Default value is ``n``)
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Document Updates
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****************
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