The Power Supply Subsysytem

Do you know how batteries and battery chargers are handled in the Linux kernel subsystem? While not as complex as the DRM subsystem, the power-supply subsystem is a key part of embedded mobile devices running Linux. This talk will be an quick overview of the subsystem...

Meltdown and Spectre: seeing through the magician’s tricks

Throughout 2018 several computer vulnerabilities got into the spotlight, possessing all the ingredients needed to attract attention: the core issue was unusually located in the processor rather than the software; almost all personal computers, servers and portable...

Mitigating Spectre and Meltdown vulnerabilities

The Spectre and Meltdown vulnerabilities are part of a class of hardware flaws which have existed for years, but which have only recently been discovered. David will describe the problems, and explain the techniques used for mitigating them in software — from...

Atomic explosion: evolution and use of relaxed concurrency primitives

Over the past few years, the kernel has grown a modern, sophisticated memory model which is exposed directly to the developer and provides portable concurrency primitives across the 20+ architectures supported by mainline. These low-level primitives have been used to...

CLIP OS: Building a defense-in-depth OS around Linux kernel…

The French Network and Information Security Agency (ANSSI) just declassified and released the sources of its long-time internal hardened Linux distribution: CLIP OS. The project’s main goal is to build an operating system able to handle confidential information at...