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UID:pretalx-eu-summit-2026-AMVGWA@cfp.riscv-europe.org
DTSTART;TZID=CET:20260609T103000
DTEND;TZID=CET:20260609T104000
DESCRIPTION:Efficient resource isolation remain critical challenges for RIS
 C-V-based cloud computing\, where workloads such as confidential virtual m
 achines (CVMs) and containers face threats from unauthorized memory access
 \, DMA attacks\, and cross-privilege&cross-workload attacks. Existing hard
 ware isolation mechanisms like Physical Memory Protection (PMP) suffer fro
 m static resource partitioning and inflexible dynamic configuration. This 
 work presents Shield-XS\, a lightweight workload isolation model for RISC-
 V. Shield-XS leverages a bitmap-based mechanism with a Shield-bit (1 bit p
 er 4KB physical page) to dynamically mark and isolate sensitive and normal
  workloads. It implements hardware-enforced access control integrated into
  the Memory Manage Unit pipeline\, with a dedicated Bitmap Cache to minimi
 ze performance overhead. It supports configurable one-way isolation\, bloc
 king unauthorized access from non-sensitive workloads to protected memory\
 , I/O\, and interrupt resources. Evaluated on a 7nm process\, it introduce
 s only 0.3% CPU hardware area overhead. SPEC06 benchmarking shows a mere 0
 .72% performance overhead. This work provides a flexible\, low-overhead is
 olation solution for virtualization and containerization workloads within 
 the RISC-V ecosystem.
DTSTAMP:20260715T065841Z
LOCATION:Poster Island B
SUMMARY:Shield-XS: A Lightweight Dynamic Security Isolation for RISC-V - yu
 anmiaomiao
URL:https://cfp.riscv-europe.org/eu-summit-2026/talk/AMVGWA/
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