Virtual Interrupt Delivery

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A Comprehensive Implementation and Evaluation of Direct ...

    http://compas.cs.stonybrook.edu/%7Emferdman/downloads.php/VEE15_Comprehensive_Implementation_and_Evaluation_of_Direct_Interrupt_Delivery.pdf
    the hypervisor, it becomes a virtual interrupt when it is de-livered to the target VM. Second, DID leverages the inter-processor interrupt (IPI) mechanism to inject virtual inter-rupts from the hypervisor directly into a VM running on an-other core. This virtual interrupt delivery mechanism effec-

Virtual Interrupt — Project ACRN™ v 1.6-unstable documentation

    https://projectacrn.github.io/latest/developer-guides/hld/hv-virt-interrupt.html
    EOI virtualization is enabled if APICv virtual interrupt delivery is supported. Except for level triggered interrupts, the VM will not exit in case of EOI. In case of no APICv virtual interrupt delivery support, vLAPIC requires EOI from Guest OS whenever a vector was acknowledged and processed by guest. vLAPIC behavior is the same as HW LAPIC.

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    https://xem.github.io/minix86/manual/intel-x86-and-64-manual-vol3/o_fe12b1e2a880e0ce-1167.html
    Section 29.1 discusses the virtual-APIC page and how the processor uses it to track the state of the virtual APIC. The following are the VM-execution controls relevant to APIC virtualization and virtual interrupts (see Section 24.6 for information about the locations of these controls): • …

Enabling Optimized Interrupt/APIC Virtualization in KVM

    https://www.linux-kvm.org/images/7/70/2012-forum-nakajima_apicv.pdf
    − APIC-Register Virtualization, Virtual-Interrupt Delivery, and Posted-Interrupt Processing • Enabling the features for KVM • Current status − Patches have been submitted, and got helpful comments from Avi, etc.: −APIC-Register Virtualization −Virtual-Interrupt DeliveryFile Size: 273KB

Best Practices for Delivering Virtual Classroom Training

    https://www.elearningguild.com/showfile.cfm?id=3159
    Best Practices for Delivering Virtual Classroom Training Randah McKinnie, Sr. Product Manager, eLearning Solutions ... Class Delivery Best Practices Good Prepare an agenda and stick to it. ... run through your presentation, and have your attendees interrupt you while you are talking, just as your students will. Record the run-through.

IO and Interrupt Virtualization - Masum Z Hasan Home Page

    https://sites.google.com/site/masumzh/articles/hypervisor-based-virtualization/io-and-interrupt-virtualization
    Virtual-interrupt delivery has the same priority as that of VM exits due to the 1-setting of the “interrupt-window exiting” VM-execution control.1 Thus, non-maskable interrupts (NMIs) and higher priority events take priority over delivery of a virtual interrupt; delivery …

Timer Interrupt Delivery Rate VMware Communities

    https://communities.vmware.com/thread/502222
    Hello, I'm having a hard time trying to find information related to timer interrupt delivery modes in ¨VMware. At the moment that a virtual machine should generate a virtual timer interrupt, it might not actually be running.

APIC Virtualization and Virtual Interrupt - 程序园

    http://www.voidcn.com/article/p-nnpncomg-bdk.html
    VMCS有对中断虚拟化和APIC的控制,这些控制都用起来以后,处理器会在non-root模式下模拟APIC的访问、跟踪Virtual APIC的状态、传递虚拟中断而不产生VM-Exit。 APIC V short for APIC Virtualization APIC V related controls: - Virtual-interrupt delivery - Use TPR shado

In x86 Intel VT-X non-root mode, can an interrupt be ...

    https://stackoverflow.com/questions/54821523/in-x86-intel-vt-x-non-root-mode-can-an-interrupt-be-delivered-at-every-instruct
    When that happens, does the currently executing instruction immediately serialize the OOO stream and jump to the vector like a typical interrupt delivery, or does VT-x's virtual interrupt delivery cause some other kind of resolution to take place?

Virtual Interrupt — Project ACRN™ v 1.0 documentation

    https://projectacrn.github.io/1.0/developer-guides/hld/hv-virt-interrupt.html
    EOI virtualization is enabled if APICv virtual interrupt delivery is supported. Except for level triggered interrupts, VM will not exit in case of EOI. In case of no APICv virtual interrupt delivery support, vLAPIC requires EOI from Guest OS whenever a vector was acknowledged and processed by guest. vLAPIC behavior is the same as HW LAPIC.

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