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June 25 - 27 - Beijing, China
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Wednesday, June 27 • 13:30 - 14:10
LKL: Another Way to Reuse the Linux Kernel - Yu Li, Huawei (slides attached)

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LKL (Linux Kernel Library) is a great work of reusing the Linux kernel code as extensively as possible with minimal effort and reduced maintenance overhead. It may be used on many potential interesting scenarios, e.g. to create a near full feature LibOS without reinvent wheels or to reuse mature network stack of Linux even in other OS. Internally, it provides a pseudo architecture that may be implemented under user space. However, it still lacks some important features so far, especially SMP support. We would like introduce to its internals and some highlights of our works : a try of adding SMP support on x86 and AArch64, which contains how to support IPI, across-CPU timing and tree RCU. Device drivers of Linux are great resources of open sources world, another interesting work is a try of reusing Linux device drivers by extending LKL. Lastly, we will show some drawbacks of LKL too.

avatar for Yu Li

Yu Li

Principal Engineer, Huawei
Principal Engineer, Huawei OS/Kernel Lab. He is working on system software development. Before that, he worked in Alibaba kernel team for 5+ years. In this project, Yu worked on SMP support design and implementation.

Wednesday June 27, 2018 13:30 - 14:10 CST
  Linux Systems