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When write to virtual TSC_DEADLINE, if virtual TSC_ADJUST is not zero: - when guest intends to disarm the tsc_deadline timer, should not arm the timer falsely; - when guest intends to arm the tsc_deadline timer, should not disarm the timer falsely. When read from virtual TSC_DEADLINE, if virtual TSC_ADJUST is not zero: - if physical TSC_DEADLINE is not zero, return the virtual TSC_DEADLINE value; - if physical TSC_DEADLINE is zero which means it's not armed (automatically disarmed after timer triggered), return 0 and reset the virtual TSC_DEADLINE. Tracked-On: #4162 Signed-off-by: Yan, Like <like.yan@intel.com> Acked-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/