Linux Plumbers Conference Courses

BPF Access Control and CO-RE in Android

Exploring BPF expansion in Android: challenges of implementing CO-RE, balancing access control, and ensuring compatibility across diverse ecosystems and kernel versions.

• YouTube
• 15 minutes
• On-Demand
• Free Video

Improving CPU Isolation with Per-CPU Spinlocks - Performance Cost and Analysis

Explore CPU isolation improvements using per-CPU spinlocks. Analyze performance costs, cache coherence, and contention. Compare with current solutions and discuss strategies for optimizing time-sensitive task execution.

• YouTube
• 18 minutes
• On-Demand
• Free Video

RISC-V Support in Android - Current Progress and Challenges

Explore Android's RISC-V integration, covering kernel progress, GKI, extensions, optimizations, and emerging challenges in this processor architecture shift.

• YouTube
• 15 minutes
• On-Demand
• Free Video

Supporting Live Migration of Confidential VMs in KVM

Explores design details of SEV-SNP live migration for confidential VMs in KVM, discussing potential common API across vendors for secure VM migration between hosts.

• YouTube
• 20 minutes
• On-Demand
• Free Video

Improving Monitoring of Power Saving States in Linux

Exploring challenges and improvements for monitoring power-saving states in Linux, focusing on ChromeOS's approach to optimizing battery life and performance across various platforms.

• YouTube
• 15 minutes
• On-Demand
• Free Video

Implementing sync_state() and Handoff for Common Clock Framework

Exploring challenges and solutions for implementing sync_state()/handoff in the common clk framework to maintain enabled clocks during Linux boot, focusing on display splash screens and edge cases.

• YouTube
• 16 minutes
• On-Demand
• Free Video

Libside: Tracer-Agnostic Instrumentation API for User-Space Applications

Explore libside, a new API for user-space application instrumentation, enabling seamless integration with kernel and user-space tracers while optimizing performance and flexibility.

• YouTube
• 18 minutes
• On-Demand
• Free Video

Taming the Incoherent Cache Issue in Confidential VMs

Explores cache coherency challenges in confidential VMs, discussing AMD's SME_COHERENT feature, security vulnerabilities, and potential solutions to improve performance without compromising security.

• YouTube
• 16 minutes
• On-Demand
• Free Video

Towards a Standardized eBPF ISA - Conformance Testing

Explore the BPF Conformance Suite's role in ensuring cross-runtime compatibility for BPF programs. Learn about its components, applications, and impact on the BPF ecosystem's security and collaboration.

• YouTube
• 15 minutes
• On-Demand
• Free Video

Implementing sframes - Challenges and Solutions

Exploring sframes implementation in Linux kernel for efficient user space stack tracing, addressing challenges like fault handling, dynamic linking, and JIT code integration.

• YouTube
• 24 minutes
• On-Demand
• Free Video

Securing Build Platforms: Enhancing Trust in Software Distribution

Explore techniques for securing software build platforms, focusing on Linux distributions. Learn about chain of trust, build provenance, and adapting solutions from language ecosystems to distribution builds.

• YouTube
• 35 minutes
• On-Demand
• Free Video

GPU Virtual Memory Address Management for Nouveau and Linux Kernel

Exploring GPU driver advancements: Nouveau's Vulkan support, NVIDIA firmware integration, and the new GPU virtual address space manager for improved performance and compatibility.

• YouTube
• 39 minutes
• On-Demand
• Conference Talk

BPF Static Keys - Extending Functionality for Kernel Tracing

Explore BPF Static Keys API for efficient tracing of networking events in Linux kernel. Learn implementation, usage in C and Go, and see full introspection of Linux + Cilium networking stack.

• YouTube
• 27 minutes
• On-Demand
• Free Video

Persisting Guest Memory and Kernel/Device State Safely with pkernfs

Exploring pkernfs: A new file system for hypervisor live updates with device assignment. Discusses memory management challenges, security improvements, and solutions for preserving VM state during updates.

• YouTube
• 43 minutes
• On-Demand
• Free Video

Standardizing CPUID Data for the Open-Source x86 Ecosystem

Proposal to standardize CPUID information for x86 architecture, addressing challenges in feature identification and data redundancy across open-source projects. Aims to improve accuracy and efficiency in CPU feature detection.

• YouTube
• 47 minutes
• On-Demand
• Free Video