Yubin Xia

EPTI: efficient defence against meltdown attack for unpatched VMs

2018 · USENIX Annual Technical Conference

The Meltdown vulnerability, which exploits the inherent out-of-order execution in common processors like x86, ARM and PowerPC, has shown to break the fundamental isolation boundary between user and kernel space. This has stimulated a non-trivial …

The Gap Between Serverless Research and Real-world Systems

2023

With the emergence of the serverless computing paradigm in the cloud, researchers have explored many challenges of serverless systems and proposed solutions such as snapshot-based booting. However, we have noticed that some of these optimizations …

XpuTEE: A High-Performance and Practical Heterogeneous Trusted Execution Environment for GPUs

2025 · ACM Transactions on Computer Systems

AI applications are employed in diverse scenarios, including data centers, personal computers, smart cars, and so on. Their privacy is threatened by the intricate software stacks and the potential malfeasance of system maintainers. The Trusted …