Yi Liu
Staff Software Engineer at Intel Corporation
Chaoyang District, Beijing, China
Summary
👤
Senior🎓
Top SchoolYi Liu is a Staff Software Engineer with nine years of experience specializing in I/O virtualization, device drivers, and embedded systems, currently working at Intel on shared virtual memory, Scalable IOV, and vIOMMU. He is an active contributor to the Linux kernel—notably enhancing Intel IOMMU VT-d and PASID support in the torvalds/linux tree—and presents regularly at kernel and virtualization conferences. His background in signal and information processing (MSc) and early firmware work on mission-critical HP servers give him a rare blend of low-level systems, firmware, and virtualization expertise. Based in Beijing, he bridges corporate engineering at Intel with open-source stewardship, driving practical improvements in domain management, cache invalidation, and nested translation in mainstream kernel code.
9 years of coding experience
2 years of employment as a software developer
Master's degree, Signal and Information Processing, Master's degree, Signal and Information Processing at Beijing University of Post and TelecommunicationsBachelor's degree, Communications Engineering, Bachelor's degree, Communications Engineering at North China University of Technology
Chinese, English
Github Skills (15)
c1710
vfio10
kernel10
c-programming10
c1110
linux-kernel10
iommu10
qemu10
dma9
architecture9
computer-architecture9
intel9
device-driver9
cpu-architecture9
kvm8
Programming languages (1)
Github contributions (5)
torvalds/linux
Jan 2023 - Feb 2023
Linux kernel source tree
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 commits in 20 days
Contributions summary:Yi's contributions primarily involve modifications and enhancements to the Intel IOMMU (Input/Output Memory Management Unit) drivers within the Linux kernel, specifically related to VT-d (Virtualization Technology for Directed I/O) and PASID (Process Address Space ID) functionality. They implemented new helpers, refactored existing code, and made changes to improve pasid handling and domain replacement capabilities, focusing on first-level, second-level, and nested translation types. The user's work included enhancements related to cache invalidation, and domain management within the IOMMU framework.
kernellinux-kernellinuxkernel-source
kata-containers/qemu
Apr 2018 - Jan 2022
Kata containers QEMU
Contributions:64 commits in 3 years 9 months
containerskata-containersdockerqemukubernetes
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