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June 25 - 27 - Beijing, China
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Monday, June 25 • 16:40 - 17:20
A Major Overhaul of the APIC Initialization and Vector Allocation - Dou Liyang, Fujitsu (FNST) (slides attached)

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Interrupt is one of the important mechanisms of the Linux kernel, vector and APIC tell the
kernel how to operate the interrupt.

With the development of the kernel, the old code leads to many problems, such as vector
space exhaustion, vector allocation chaos, kdump failure, Timer setup error, etc.,

Recently, Thomas Gleixner and Dou Liyang conducted a major overhaul. In this presentation,  Dou Liyang will describe the main process of interrupt initialization, discuss the challenges it faces, and introduce what does the overhaul do and explain how it may address those challenges.

avatar for Dou Liyang

Dou Liyang

software engineer, Fujitsu(FNST)
Dou Liyang is a Linux kernel developer in Fujitsu Nanda. He primarily works on kernel initialization related technologies. He has contributed to CPU hotplug. Recently he focused on Interrupt initialization and has unified the APIC and interrupt mode setup for kernel.

Monday June 25, 2018 16:40 - 17:20 CST
  Linux Systems