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When a VM is configured with LAPIC PT mode and its vCPU is in x2APIC mode, the corresponding pCPU needs to be reset during VM shutdown/reset as its physical LAPIC was used by its guest This commit fixes an issue where this reset never happens. is_lapic_pt_enabled() needs to be called before reset_vcpu() to be able to correctly reflect a vCPU's APIC mode. A vCPU with LAPIC PT mode but in xAPIC mode does not require such reset, since its physical LAPIC was not touched by its guest directly. Tracked-On: #3708 Signed-off-by: Peter Fang <peter.fang@intel.com> Reviewed-by: Eddie Dong <eddie.dong@intel.com> Reviewed-by: Jack Ren <jack.ren@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/