x86 instruction encoding and the nasty hacks we do in the kernel

I have always wanted to understand x86 instruction encoding in detail but never gotten around to it. Of course not, who has time nowadays?! So, in order to force me to do it, I decided to write an x86 instruction decoder. This talk attempts to show what I have learned...

Xen as a foundation for cloud infrastructure

It is no accident that Xen software powers some of the largest Clouds in existence. From its outset, the Xen Project was intended to enable what we now call Cloud Computing. This session will explore how the Xen Architecture addresses the needs of the Cloud in ways...

kGraft: Live Patching of the Linux Kernel

The talk introduces the need of live kernel patching. Further, it explains what is kGraft, how it works, what are its limitations, and our plans with the implementation in the future. The presentation includes also a live demo if stars constellation...

Linux Security Modules: tracing deciding acting

Linux Security Modules – LSM – is a framework that allows to support a number of security models for Linux kernel. At Kernel Recipes 2012 and 2013, we discussed about generic principles of operating system security and formal security models in the Linux kernel. This...

Manage patches with Quilt

A presentation of the quilt patch management tool, including use cases (SUSE kernel, OBS) and practical usability tips. Quick presentation of what quilt is, what it can be used for, its most useful commands and what they do 3 typical use cases, step by step Package...