392 lines
21 KiB
ReStructuredText
392 lines
21 KiB
ReStructuredText
.. _release_notes_0.8:
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ACRN v0.8 (Apr 2019)
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####################
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We are pleased to announce the release of Project ACRN version 0.8.
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ACRN is a flexible, lightweight reference hypervisor, built with
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real-time and safety-criticality in mind, optimized to streamline
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embedded development through an open source platform. Check out the
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:ref:`introduction` for more information.
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All project ACRN source code is maintained in the
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https://github.com/projectacrn/acrn-hypervisor repository and includes
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folders for the ACRN hypervisor, the ACRN device model, tools, and
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documentation. You can either download this source code as a zip or
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tar.gz file (see the `ACRN v0.8 GitHub release page
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<https://github.com/projectacrn/acrn-hypervisor/releases/tag/v0.8>`_ or
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use Git clone and checkout commands:
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.. code-block:: bash
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git clone https://github.com/projectacrn/acrn-hypervisor
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cd acrn-hypervisor
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git checkout v0.8
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The project's online technical documentation is also tagged to correspond
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with a specific release: generated v0.8 documents can be found at
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https://projectacrn.github.io/0.8/. Documentation for the latest
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(master) branch is found at https://projectacrn.github.io/latest/.
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ACRN v0.8 requires Clear Linux OS version 28600 or newer. Please follow the
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instructions in the :ref:`getting-started-apl-nuc`.
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Version 0.8 new features
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************************
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GPIO virtualization
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=========================
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GPIO virtualization is supported as para-virtualization based on the
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Virtual I/O Device (VIRTIO) specification. The GPIO consumers of the
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Front-end are able to set or get GPIO values, directions, and
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configuration via one virtual GPIO controller. In the Back-end, the GPIO
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command line in the launch script can be modified to map native GPIO to
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UOS.
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Enable QoS based on runC container
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==================================
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ACRN supports Device-Model QoS based on runC container to control the SOS
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resources (CPU, Storage, MEM, NET) by modifying the runC configuration file.
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S5 support for RTVM
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===============================
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ACRN supports a Real-time VM (RTVM) shutting itself down. A RTVM is a
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kind of VM that the SOS can't interfere at runtime, and as such, can
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only power itself off internally. All poweroff requests external to the
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RTVM will be rejected to avoid any interference.
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Document updates
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================
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Several new documents have been added in this release, including:
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* :ref:`Zephyr RTOS as Guest OS <using_zephyr_as_uos>`
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* :ref:`Enable cache QoS with CAT <using_cat_up2>`
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* :ref:`ACRN kernel parameter introduction <kernel-parameters>`
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* :ref:`faq` update for two issues
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* :ref:`ACRN Debug introduction <acrn-debug>`
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New Features Details
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********************
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- :acrn-issue:`923` - GPU Mediator shall be compatible with operation of graphics safety watchdog
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- :acrn-issue:`1409` - Add support for profiling [sep/socwatch tools]
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- :acrn-issue:`1568` - Implement PCI emulation functionality in HV for UOS passthrough devices and SOS MSI/MSI-X remapping
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- :acrn-issue:`1867` - vMSR code reshuffle
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- :acrn-issue:`2020` - DM: Enable QoS in ACRN, based on runC container
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- :acrn-issue:`2512` - GPIO virtualization
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- :acrn-issue:`2611` - hv: search additional argument when parsing seed from ABL.
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- :acrn-issue:`2868` - OVMF release v0.8
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- :acrn-issue:`2708` - one binary for SBL and UEFI
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- :acrn-issue:`2713` - Enable ACRN to boot Zephyr
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- :acrn-issue:`2792` - Pass ACRN E820 map to OVMF
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- :acrn-issue:`2865` - support S5 of Normal VM with lapic_pt
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Fixed Issues Details
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********************
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- :acrn-issue:`1996` - [APLNUC/KBLNUC/APLUP2]There is an error log when using "acrnd&" to boot UOS
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- :acrn-issue:`2052` - tpm_emulator code reshuffle
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- :acrn-issue:`2474` - Need to capture dropped sample info while profiling
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- :acrn-issue:`2490` - systemd virtualization detection doesn't work
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- :acrn-issue:`2522` - Start ias in SOS, no display
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- :acrn-issue:`2523` - UOS monitor does not display when using ias
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- :acrn-issue:`2524` - [UP2][SBL] Launching UOS hang while weston is running in SOS
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- :acrn-issue:`2597` - Return PIPEDSL from HW register instead of cached memory for Guest VGPU
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- :acrn-issue:`2704` - Possible memory leak issues
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- :acrn-issue:`2760` - [UP2]{SBL] make APL-UP2 SBL acrn-hypervisor sos image failed.
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- :acrn-issue:`2772` - Enable PCI-E realtek MMC card for UOS
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- :acrn-issue:`2780` - [APL_NUC KBL_NUC EFI_UP2]Update clear Linux missing acrn.efi file
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- :acrn-issue:`2792` - Pass ACRN E820 map to OVMF
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- :acrn-issue:`2829` - The ACRN hypervisor shell interactive help is rather terse
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- :acrn-issue:`2830` - Warning when building the hypervisor
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- :acrn-issue:`2851` - [APL/KBL/UP2][HV][LaaG]Uos cannot boot when acrnctl add Long_VMName of more than 26
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- :acrn-issue:`2870` - Use 'sha512sum' for validating all virtual bootloaders
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Known Issues
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************
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:acrn-issue:`1773` - USB Mediator: Can't find all devices when multiple USB devices connected [Reproduce rate:60%]
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After booting UOS with multiple USB devices plugged in, there's a 60% chance that one or more devices are not discovered.
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**Impact:** Cannot use multiple USB devices at same time.
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**Workaround:** Unplug and plug-in the unrecognized device after booting.
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-----
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:acrn-issue:`1991` - Input not accepted in UART Console for corner case
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Input is useless in UART Console for a corner case, demonstrated with these steps:
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1) Boot to SOS
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2) ssh into the SOS.
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3) use ``./launch_UOS.sh`` to boot UOS.
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4) On the host, use ``minicom -s dev/ttyUSB0``.
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5) Use ``sos_console 0`` to launch SOS.
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**Impact:** Fails to use UART for input.
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**Workaround:** Enter other keys before typing :kbd:`Enter`.
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-----
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:acrn-issue:`2267` - [APLUP2][LaaG] LaaG can't detect 4k monitor
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After launching UOS on APL UP2 , 4k monitor cannot be detected.
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**Impact:** UOS can't display on a 4k monitor.
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**Workaround:** Use a monitor with less than 4k resolution.
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-----
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:acrn-issue:`2278` - [KBLNUC] Cx/Px is not supported on KBLNUC
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C states and P states are not supported on KBL NUC.
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**Impact:** Power Management state-related operations in SOS/UOS on
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KBL NUC can't be used.
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**Workaround:** None
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-----
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:acrn-issue:`2279` - [APLNUC] After exiting UOS, SOS can't use USB keyboard and mouse
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After exiting UOS with mediator
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Usb_KeyBoard and Mouse, SOS cannot use the USB keyboard and mouse.
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These steps reproduce the issue:
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1) Insert USB keyboard and mouse in standard A port (USB3.0 port)
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2) Boot UOS by sharing the USB keyboard and mouse in cmd line:
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``-s n,xhci,1-1:1-2:1-3:1-4:2-1:2-2:2-3:2-4 \``
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3) UOS access USB keyboard and mouse.
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4) Exit UOS.
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5) SOS tries to access USB keyboard and mouse, and fails.
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**Impact:** SOS cannot use USB keyboard and mouse in such case.
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**Workaround:** Unplug and plug-in the USB keyboard and mouse after exiting UOS.
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-----
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:acrn-issue:`2527` - System will crash after a few minutes running stress test ``crashme`` tool in SOS/UOS.
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System stress test may cause a system crash.
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**Impact:** System may crash in some stress situations.
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**Workaround:** None
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-----
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:acrn-issue:`2526` - Hypervisor crash when booting UOS with acrnlog running with mem loglevel=6
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If we use ``loglevel 3 6`` to change the mem loglevel to 6, we may hit a page fault in HV.
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**Impact:** Hypervisor may crash in some situation.
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**Workaround:** None
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-----
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:acrn-issue:`2753` - UOS cannot resume after suspend by pressing power key
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UOS cannot resume after suspend by pressing power key
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**Impact:** UOS may failed to resume after suspend by pressing the power key.
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**Workaround:** None
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.. comment
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Use the syntax:
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:acrn-issue:`663` - Short issue description
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Longer description that helps explain the problem from the user's
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point of view (not internal reasons). **Impact:** What's the
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consequences of the issue, and how it can affect the user or system.
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**Workaround:** Describe a workaround if one exists (or refer them to the
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:acrn-issue:`663`` if described well there. If no workaround, say
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"none".
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Change Log
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**********
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These commits have been added to the acrn-hypervisor repo since the v0.6
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release in Feb 2019 (click on the CommitID link to see details):
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.. comment
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This list is obtained from this git command (update the date to pick up
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changes since the last release):
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git log --pretty=format:'- :acrn-commit:`%h` - %s' --after="2018-03-01"
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- :acrn-commit:`296c974d` - OVMF release v0.8
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- :acrn-commit:`e7f77244` - Tools: acrnctl fix return value when it fails to execute the commands
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- :acrn-commit:`eea0ecd2` - Tools: acrnctl fix return value when it fails to execute the commands.
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- :acrn-commit:`cee45a80` - hv: add default handlers for PIO/MMIO access
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- :acrn-commit:`01b28c8e` - doc: Add tutorial about how to use CAT on UP2
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- :acrn-commit:`79582b99` - doc: update software design guidelines
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- :acrn-commit:`efad4963` - DM: Add -A to support S5 of hard rt vm
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- :acrn-commit:`382acfaf` - HV: Using INIT to kick vCPUs off when RTVM poweroff by itself
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- :acrn-commit:`2771b46b` - HV: Add one delmode parameter to make_reschedule_request
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- :acrn-commit:`ef9be020` - HV: Introduce one new API send_single_init
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- :acrn-commit:`8ad5adce` - HV: Set vm state as with VM_POWERING_OFF when RTVM poweroff by itself
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- :acrn-commit:`83d11bbf` - HV: Register S5 pio handler for dm-launched RTVM
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- :acrn-commit:`1c0d7f78` - HV: HV: make io_read_fn_t return true or false
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- :acrn-commit:`3b2ad677` - HV: make io_write_fn_t return true or false
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- :acrn-commit:`ed286e32` - HV: Introduce a new API is_rt_vm
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- :acrn-commit:`2e4d7eb5` - DM: Add new flag GUEST_FLAG_RT for RTVM
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- :acrn-commit:`71f75ebf` - Tools: acrnlog: fix confusing message "bad file descriptor" when start acrnlog
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- :acrn-commit:`9f234222` - ACRN: dm: Enable mount namespace for container.
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- :acrn-commit:`dde326ec` - Acrn: dm: Add new start parameter in sample args
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- :acrn-commit:`e91d7402` - hv: Debug messages from a CPU are overlapped with other CPUs messages
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- :acrn-commit:`558a1788` - doc: update coding guidelines
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- :acrn-commit:`868778a6` - hv: fix vulnerability when VM is destroyed
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- :acrn-commit:`5a7be9b8` - tools: acrnctl fix cmd buffer is truncated when vmname too long
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- :acrn-commit:`b2f2d952` - tools: acrnctl restrict length of vmname to 32 bytes
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- :acrn-commit:`8109c2e9` - DM: restrict vmname size to 32 bytes
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- :acrn-commit:`b1586ccc` - HV: move MAX_CONFIG_NAME_SIZE to acrn_common.h
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- :acrn-commit:`c55308bd` - DM: use soft link of acrn_common.h in HV
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- :acrn-commit:`06761102` - dm: remove smbios
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- :acrn-commit:`3effbb05` - Revert "hv: vmsr: add IA32_MISC_ENABLE to msr store area"
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- :acrn-commit:`40168e73` - hv: vlapic: remove TPR set/get API
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- :acrn-commit:`4a683ed1` - hv: vlapic: minor fix for update_msr_bitmap_x2apic_apicv
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- :acrn-commit:`20164799` - dm: leave a gap for 32-bit PCI hole in E820 map
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- :acrn-commit:`3be6c659` - HV: merge partition_mode.c and sharing_mode.c's code into vpci.c
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- :acrn-commit:`320bf183` - HV: rename pci_priv.h to vpci_priv.h
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- :acrn-commit:`1a3c9b32` - HV: rename vpci files
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- :acrn-commit:`c6a60dd2` - HV: remove all CONFIG_PARTITION_MODE from dm/vpci code
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- :acrn-commit:`691468a3` - HV: Remove hypervisor.h from bsp folder
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- :acrn-commit:`3d85d72f` - doc: update OVMF image location
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- :acrn-commit:`d4ce780e` - doc: update the instructions to increase the size of a UOS disk image
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- :acrn-commit:`80dc2c85` - doc: add some rules related to language extensions
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- :acrn-commit:`3026a372` - DOC:Update standard reference of SW design guidelines
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- :acrn-commit:`fddc5b91` - doc: update UP2 sample directory name in create-up2-image.sh
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- :acrn-commit:`904c9e29` - doc: add more details to the FAQ (for version 0.7)
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- :acrn-commit:`c47efa3f` - Add new FAQ
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- :acrn-commit:`98b3d98a` - hv: vmsr: add IA32_MISC_ENABLE to msr store area
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- :acrn-commit:`273381b3` - hv: vmsr: rename msr_num to msr_index in struct msr_store_entry
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- :acrn-commit:`5585084c` - hv:move 'udelay' to timer.c
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- :acrn-commit:`370998ba` - hv: replace MEM_2K with a new macro MAX_BOOTARGS_SIZE for bootargs size
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- :acrn-commit:`12d97728` - DM: virtio-gpio: export GPIO ACPI device
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- :acrn-commit:`014e611b` - DM: virtio-gpio: add IRQ statistics
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- :acrn-commit:`83a98acb` - DM: virtio-gpio: support reading value from IRQ descriptor
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- :acrn-commit:`d34b3ebd` - DM: virtio-gpio: emulate GPIO IRQ controller
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- :acrn-commit:`92a0a399` - DM: virtio-gpio: GPIO IRQ initialization.
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- :acrn-commit:`9480af8d` - DM: virtio-gpio: setup two virtqueues for gpio irq
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- :acrn-commit:`e381aef2` - hv: seed: remove unused seed parsing source files
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- :acrn-commit:`0947fbab` - HV: Fix a compiler warning in firmware.h
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- :acrn-commit:`071ce15e` - dm: build E820 map for OVMF
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- :acrn-commit:`4dd13310` - dm: remove empty UOS E820 entries
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- :acrn-commit:`643513f3` - dm: update UOS default E820 map
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- :acrn-commit:`263b486a` - dm: pci: add MMIO fallback handler for 64-bit PCI hole
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- :acrn-commit:`82e42cfa` - dm: clean up mem.c
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- :acrn-commit:`890d4022` - dm: remove GUEST_CFG_OFFSET
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- :acrn-commit:`f97ba340` - Doc: Add tutorial about using zephyr as uos
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- :acrn-commit:`410c76ac` - hv: enhance ACRN shell interactive help
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- :acrn-commit:`a0de49d0` - hv: fix potential buffer overflow in sbl_init_vm_boot_info()
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- :acrn-commit:`93ed2af1` - hv: passthru TSC_ADJUST to VM with lapic pt
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- :acrn-commit:`f32b59d7` - hv: disable mpx capability for guest
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- :acrn-commit:`71ce4c25` - HV: unify the sharing mode and partition mode coding style for similar functions
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- :acrn-commit:`026250fd` - HV: centralize the pci cfg read/write sanity checking code
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- :acrn-commit:`a403128a` - HV: remove vpci ops
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- :acrn-commit:`aa1ee942` - HV: declare and export vpci ops functions as global instead of static local
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- :acrn-commit:`a7f528cf` - HV: remove vdev ops for partition mode
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- :acrn-commit:`b1cc1881` - hv: Use domain/device specific invalidation for DMAR translation caches
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- :acrn-commit:`5c046879` - hv: minor fixes to a few calls to strncpy_s()
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- :acrn-commit:`5fdc7969` - doc: add tutorial on how to increase the UOS disk size
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- :acrn-commit:`657ac497` - doc: add rdmsr/wrmsr to the "ACRN Shell Commands" documentation
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- :acrn-commit:`90b49375` - doc: add rules related to implementation-specific behaviors
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- :acrn-commit:`e131d705` - hv: vmconfig: minor fix about regression of commit 79cfb1
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- :acrn-commit:`9abd469d` - config: unify board names to lowercase
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- :acrn-commit:`5398c901` - hv: remove CONFIG_PARTITION_MODE for pre-launched VM vE820 creation
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- :acrn-commit:`ca6e3411` - HV: add vrtc for sharing mode
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- :acrn-commit:`1b79f28e` - hv: update CR0/CR4 on demand in run_vcpu()
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- :acrn-commit:`19c53425` - HV: remove vdev ops for sharing mode
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- :acrn-commit:`eb4f4698` - HV: add const qualifier for the deinit vdev op functions
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- :acrn-commit:`b2b1a278` - HV: remove intercepted_gpa and intercepted_size from struct pci_msix
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- :acrn-commit:`5767d1e1` - HV: extract common code blocks to has_msi_cap and has_msix_cap functions
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- :acrn-commit:`79cfb1cf` - hv: vmconfig: format guest flag with prefix GUEST_FLAG\_
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- :acrn-commit:`c018b853` - hv: vmtrr: hide mtrr if hide_mtrr is true
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- :acrn-commit:`906c79eb` - hv: vpci: restore vbdf when pci dev un-assigned from uos
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- :acrn-commit:`7669a76f` - dm: passthru: pass pbdf when reset msi/msix interrupt
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- :acrn-commit:`cd360de4` - hv: fix wrong comment message about CLOS usage in vm config
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- :acrn-commit:`190b0940` - Makefile: build for apl-nuc by default
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- :acrn-commit:`21d3dc68` - hv: seed: refine header file
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- :acrn-commit:`0fb21cfa` - Tools: Acrnd fix reporting unnecessary error on NUC and UP2
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- :acrn-commit:`ff41c008` - hv: trusty: refine control registers switching method
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- :acrn-commit:`4157b843` - doc: add some rules related to naming convention
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- :acrn-commit:`518a82d8` - hv: cleanup some hva/hpa conversion code
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- :acrn-commit:`e9335fce` - doc: fix utf-8 punctuation, branding, spelling
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- :acrn-commit:`9e78ad52` - doc: fix wrong description of trusty's memory mapping
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- :acrn-commit:`fb3e47fd` - doc: add v0.7 version to master branch (/latest)
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- :acrn-commit:`5e37c463` - version: 0.8-unstable
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- :acrn-commit:`b147c5c6` - DM: Mark thre_int_pending as true when THR is empty
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- :acrn-commit:`9b1e2f4c` - remove apl_sdc_stable branch story
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- :acrn-commit:`53972001` - DM: fix memory leak
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- :acrn-commit:`436c30e4` - doc: add 0.7 release notes
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- :acrn-commit:`74023a9a` - hv: vtd: check bus number when assign/unassign device
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- :acrn-commit:`93386d3c` - ACRN/DM: Destroy the created pci_device iterator to fix memory leak in passthru_init
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- :acrn-commit:`31cb4721` - acrn/dm: Remove the memory leak in gvt mediator
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- :acrn-commit:`065e16d3` - Makefile: make UP2 sample directory name consistent with board name
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- :acrn-commit:`20249380` - audio-mediator: load updated audio kernel modules Audio kernel has updated name and add two new kernel modules from SOS 28100
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- :acrn-commit:`95d1e402` - hv: refactor seed management
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- :acrn-commit:`4d0419ed` - dm: passthru: fix potential mem leaks
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- :acrn-commit:`caa291c0` - HV: some minor code cleanup for partition mode code
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- :acrn-commit:`82789f44` - HV: declare and export partition mode's vdev functions as global instead of static local
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- :acrn-commit:`93f6142d` - HV: declare and export sharing mode's vdev functions as global instead of static local
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- :acrn-commit:`562628b9` - HV: remove the populate_msi_struct() function
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- :acrn-commit:`3158c851` - HV: Modularize boot folder
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- :acrn-commit:`286731d9` - hv:move instr_emul_ctxt instance to struct vcpu
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- :acrn-commit:`5331b395` - hv:remove 'cpu_mode' from struct vm_guest_paging
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- :acrn-commit:`ce387084` - hv: remove CONFIG_PLATFORM_[SBL|UEFI] and UEFI_STUB
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- :acrn-commit:`334382f9` - efi-stub: minor change for uefi refactor
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- :acrn-commit:`9b24620e` - hv: merge SBL and UEFI related stuff under boot
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- :acrn-commit:`56d8b08b` - hv: merge SBL and UEFI related stuff under bsp
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- :acrn-commit:`23e85ff1` - Makefile: remove deprecated PLATFORM
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- :acrn-commit:`bd24e2de` - tools: acrnctl fix potential buffer overflow
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- :acrn-commit:`78890622` - hv: vlapic: minor fix about detect_apicv_cap
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- :acrn-commit:`f769f745` - hv: vlapic: add combined constraint for APICv
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- :acrn-commit:`6f482b88` - dm: virtio: add memory barrier before notify FE
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- :acrn-commit:`7ab6e7ea` - dm: usb: fix possible memory leak
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- :acrn-commit:`694fca9c` - DM: Add sample script to launch zephyr as guest
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- :acrn-commit:`204f9750` - tools: acrnd: Fix launch UOS by timer list without fork()
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- :acrn-commit:`5d6f6ab7` - tools: acrn-manager: fix a race condition on updating VM state
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- :acrn-commit:`d5ec844f` - tools: acrn-manager: Replace pdebug with explicit err msg
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- :acrn-commit:`48774f71` - tools: acrn-manager: print more debug information
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- :acrn-commit:`2b74e1a9` - HV: PAE: Add stac()/clac() in local_gva2gpa_pae
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- :acrn-commit:`18ba7524` - dm: virtio-net: fix memory leak
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- :acrn-commit:`31f04e1a` - doc: fix typos in coding guidelines
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- :acrn-commit:`b75d5567` - Documentation: update the "ACRN Shell Commands" user guide
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- :acrn-commit:`5f51e4a7` - pci.c: assert MSIX table count <= config max
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- :acrn-commit:`137892fd` - hv: Remove multiple definitions for dmar translation structures
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- :acrn-commit:`18b619da` - doc: add the doc for 'Error Detection and Handling'
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- :acrn-commit:`72fbc7e7` - doc: add some comments for coding guidelines
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- :acrn-commit:`e779982c` - doc: use the new board name for UP2 in create-up2-images.sh script
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- :acrn-commit:`bf1aa5c1` - hv: destroy IOMMU domain after vpci_cleanup()
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- :acrn-commit:`c0400b99` - HV: Fix modularization vm config code lost CAT code
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- :acrn-commit:`649406b0` - HV: refine location of platform_acpi_info header
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- :acrn-commit:`ff9ef2a1` - doc: fix broken external links
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- :acrn-commit:`85b3ed3e` - doc: update the format in coding style part
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- :acrn-commit:`f6a989b7` - dm: use power button acpi device to find its input event
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- :acrn-commit:`55f52978` - hv:move several tsc APIs to timer.c
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- :acrn-commit:`36f6a412` - hv:validate ID and state of vCPU for related APIs
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- :acrn-commit:`9922c3a7` - HV: correct COM_IRQ default config type
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- :acrn-commit:`741501c2` - hv: refine vlapic_calc_dest()
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- :acrn-commit:`f572d1ec` - [RevertMe] dm: pci: restore workaround when alloc pci mem64 bar
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- :acrn-commit:`ca3d4fca` - hv: vlapic: move LVT IRQ vector check to vlapic_fire_lvt
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- :acrn-commit:`473d31c0` - hv: vlapic: add vector check for x2apic SELF IPI
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- :acrn-commit:`e5d3a498` - hv: vlapic: call vlapic_accept_intr directly in vlapic_set_error
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- :acrn-commit:`2b35c078` - hv: do EPT mapping only for physical memory backed GPA on pre-launched VMs
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- :acrn-commit:`da14c961` - hv: simplify `get_primary_vcpu` and `vcpu_from_vid`
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- :acrn-commit:`3d0d8609` - hv: vlapic: correct wrong use of vector
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- :acrn-commit:`0943a836` - [hv] set ECX.bit31 to indicate the presence of a hypervisor
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- :acrn-commit:`f6758fd6` - hv: fix a redundant check in general_sw_loader
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- :acrn-commit:`b49df10a` - hv: Remove redundant get_dmar_info API calls
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- :acrn-commit:`308d4e8c` - hv:move forward the initialization for iommu & ptdev
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- :acrn-commit:`bc107105` - doc: fix the typo related to tab
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