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Friday, October 30 • 07:30 - 08:00
Device Keepalive State for Local Live Migration and VMM Fast Restart - Jason Zeng, Intel

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Passthrough devices are painpoints of VM live migration or VMM/Host upgrade. Currently there are community discussions and approaches to support passthrough device live migration, however they usually require vendor specific driver support, which is also a painpoint for legacy devices. This topic will introduce a new device state, keepalive state, for passthrough devices and other related hardware and software components to support local migration and VMM/host reboot. The new keepalive state doesn’t require vendor specific driver support for most legacy devices. It keeps devices and other related hardware alive during the local live migration period. In this topic, we will present the design and implementation of the kernel and Qemu changes for supporting keepalive state.


Jason Zeng

Software Engineer, Intel Coporation
Jason Zeng is a software engineer from Intel virtualization team, focusing on various KVM/virtualization features and projects. Currently he is working on VMM Fast Restart project which aims to provide a solution for fast upgrading and rebooting VMM/host kernel while impose less impact... Read More →

Friday October 30, 2020 07:30 - 08:00 GMT
KVM Theater
  KVM Forum, KVM