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Per-core software SRAM L2 cache may be flushed by 'mwait' extension instruction, which guest VM may execute to enter core deep sleep. Such kind of flushing is not expected when software SRAM is enabled for RTVM. Hypervisor disables MONITOR-WAIT support on both hypervisor and VMs sides to protect above software SRAM from being flushed. This patch disable ACRN guest MONITOR-WAIT support if software SRAM is configured. Tracked-On: #5649 Signed-off-by: Yonghua Huang <yonghua.huang@intel.com> Reviewed-by: Fei Li <fei1.li@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com> |
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acpi_parser | ||
arch/x86 | ||
boot | ||
bsp/ld | ||
common | ||
debug | ||
dm | ||
hw | ||
include | ||
lib | ||
release | ||
scripts | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
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/