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Yonghua Huang 3391bffb27 hv:fix rtvm hang with maxcpus=0/1 in bootargs 
RTVM (with lapic PT) boots hang when maxcpus is
 assigned a value less than the CPU number configured
 in hypervisor.

 In this case, vlapic_state(per VM) is left in TRANSITION
 state after BSP boot, which blocks interupts to be injected
 to this UOS.

Tracked-On: #4803
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
Reviewed-by: Li, Fei <fei1.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
 		2020-05-15 10:09:13 +08:00
..
acpi_parser HV: remove multi-return in drhd_find_iter 2020-04-01 10:43:54 +08:00
arch/x86 hv:fix rtvm hang with maxcpus=0/1 in bootargs 2020-05-15 10:09:13 +08:00
boot hv: vioapic: minor refine about madt ioapic parse 2020-04-24 15:35:38 +08:00
bsp/ld HV: add a specific stack space used in CPU booting 2020-04-29 13:56:40 +08:00
common hv: add a new field cpu_affinity in struct acrn_vm 2020-05-08 11:04:31 +08:00
debug hv: ptdev: minor refine about ptirq_build_physical_msi 2020-05-06 11:51:11 +08:00
dm hv: ptdev: refine look up MSI ptirq entry 2020-05-13 14:31:01 +08:00
hw HV: renamed some structs more understandably 2020-04-01 10:43:54 +08:00
include hv:fix rtvm hang with maxcpus=0/1 in bootargs 2020-05-15 10:09:13 +08:00
lib hv:tiny cleanup 2019-09-05 09:58:47 +08:00
pre_build hv: add static check for CONFIG_HV_RAM_START and CONFIG_HV_RAM_SIZE 2020-03-11 10:37:50 +08:00
release hv: pci: rename CFG read/write function for PCI-compatible Configuration Mechanism 2020-03-12 09:17:02 +08:00
scenarios hv/acrn-config: changed name from cpu_affinity_bitmap to cpu_affinity 2020-05-08 11:04:31 +08:00
scripts Makefile: do not override RELEASE when build with XML 2020-04-22 16:45:43 +08:00
Kconfig HV: config: add Kconfig and defconfigs for sbl & uefi 2018-06-08 17:21:13 +08:00
MAINTAINERS update home page information 2018-05-15 17:19:39 +08:00
Makefile Kconfig: change scenario variable type to string 2020-04-17 13:45:18 +08:00
README.rst doc: fix utf-8 punctuation, branding, spelling 2019-03-14 09:13:58 -07:00

README.rst 

ACRN Hypervisor
###############

The open source `Project ACRN`_ defines a device hypervisor reference stack and
an architecture for running multiple software subsystems, managed securely, on
a consolidated system by means of a virtual machine manager. It also defines a
reference framework implementation for virtual device emulation, called the
"ACRN Device Model".

The ACRN Hypervisor is a Type 1 reference hypervisor stack, running directly on
the bare-metal hardware, and is suitable for a variety of IoT and embedded
device solutions. The ACRN hypervisor addresses the gap that currently exists
between datacenter hypervisors, and hard partitioning hypervisors. The ACRN
hypervisor architecture partitions the system into different functional
domains, with carefully selected guest OS sharing optimizations for IoT and
embedded devices.

You can find out more about Project ACRN on the `Project ACRN documentation`_
website.

.. _`Project ACRN`: https://projectacrn.org
.. _`ACRN Hypervisor`: https://github.com/projectacrn/acrn-hypervisor
.. _`Project ACRN documentation`: https://projectacrn.github.io/