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June 25 - 27 - Beijing, China
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Wednesday, June 27 • 14:20 - 15:00
Device Assignment with Nested Guests and DPDK - Peter Xu, Red Hat (slides attached)

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I/O virtualization is one of the most important aspect of virtualization technology. Generally speaking we can have three types of I/O devices in a virtual machine: emulated, para-virtualized, and device assignment. Here device assignment plays a vital role in performance critical scenarios, which allows a guest to seamlessly manipulate a real hardware device. However that was never safe to run DPDK with such a device, and even impossible for nested virtualization. In this presentation, Peter Xu will introduce his work on QEMU/KVM vIOMMU to enable these scenarios. It will contain not only how new users can start using the new feature, but also technical details and challenges on the project.

avatar for Peter Xu

Peter Xu

Senior Software Engineer, Red Hat
Peter Xu works for Red Hat virtualization team. He is working on QEMU/KVM project with vIOMMUs, migrations, interrupts and other miscelleneous stuff. He has given a talk in KVM Forum 2016 together with Wei Xu on vhost DMA Remapping.

Wednesday June 27, 2018 14:20 - 15:00 CST