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Two changes: 1. cpuid leaf 07h has subleaf: According to SDM 3-194 Vol.2A, Table 3-8, cpuid leaf 07h has sub-leaves. cpuid.07.eax reports the maximum input for sub-leaves. Since there is no definition for subleaf > 0 in SDM, hv only supports subleaf 0. 2. In currently hv code, cpuid leaf function 14h is disabled, CPUID.07H:EBX.INTEL_PROCESSOR_TRACE should be disabled as well. Tracked-On: #2198 Signed-off-by: Binbin Wu <binbin.wu@intel.com> Reviewed-by: Li, Fei1 <fei1.li@intel.com> Reviewed-by: Eddie Dong <eddie.dong@intel.com>
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/