2023

slides

• https://kvm-forum.qemu.org/2023/
• https://www.youtube.com/watch?v=oZqFYJVOUQo&list=PLW3ep1uCIRfx5ApKGg41ARULGswMOCGBj&index=11

keynote

• Virtual cache topology

• Architectural fixes: event/exceptoin, APICv/AVIC

  • 如何理解 APICv 和 AVIC ？

https://www.phoronix.com/news/Linux-6.3-KVM

似乎 AVIC 是用于搞设备直通的:

        amd_iommu_intr= [HW,X86-64]
                        Specifies one of the following AMD IOMMU interrupt
                        remapping modes:
                        legacy     - Use legacy interrupt remapping mode.
                        vapic      - Use virtual APIC mode, which allows IOMMU
                                     to inject interrupts directly into guest.
                                     This mode requires kvm-amd.avic=1.
                                     (Default when IOMMU HW support is present.)

TODO

• Marc Zyngier, Oliver Upton, KVM/arm64: Episode V - The Blob Strikes Back
  • ARM 的可信计算?
• Hanna Czenczek, German Maglione, virtio-fs – present and future
  • 看看 vhost 如何实现
• Kevin Wolf, Emanuele Giuseppe Esposito, Multiqueue in the block layer
  • block layer 和 thread-safe 两个问题都是有趣的
• Eugenio Pérez, Gautam Dawar, vDPA-net live migration with Shadow Virtqueue
• Anton Johansson, Alessandro Di Federico, Automatic promotion of helper functions to TCG using LLVM
• Like Xu, Live control of (most) CPU features via hybrid vCPU model
• Salil Mehta, James Morse, Challenges Revisited in Supporting Virt CPU Hotplug on architectures that don’t Support CPU Hotplug (like ARM64)
• Cornelia Huck, QEMU Arm CPU models and KVM

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