Linux Plumbers Conference Courses

Hibernation Testing Challenges and Optimization Opportunities

Explore hibernation testing bottlenecks and optimization strategies for Linux systems, focusing on CPU management efficiency and enhanced fault tolerance mechanisms.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

Secure Interrupt Delivery - Lessons Learned from Alternate Injection Enablement

Explore SEV-SNP Alternate Injection security mechanisms, SVSM APIC emulation, KVM bypass techniques, and VMPL switches for protecting guests from malicious interrupt attacks.

• YouTube
• 17 minutes
• Self-Paced
• Free Video

KernelCI kci-dev - Closing the Developer Feedback Loop

Discover how KernelCI's kci-dev tool integrates testing into developer workflows, bridging pre/post-merge validation with diverse hardware labs for streamlined kernel development.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

Distributed ThinLTO Build Support in Kbuild

Discover how Google implemented distributed ThinLTO builds for the Linux kernel, covering implementation details, performance comparisons, and livepatch integration changes.

• YouTube
• 20 minutes
• Self-Paced
• Free Video

scx_chaos - Pushing the sched_ext API to Schedule Badly

Explore scx_chaos, a chaotic scheduler built on sched_ext that intentionally introduces delays, frequency changes, and mutex inversions to hunt down race conditions and test kernel resilience.

• YouTube
• 16 minutes
• Self-Paced
• Free Video

PCSC - Caching PCI Config Space Accesses for Faster Live Updates

Discover how PCI Configuration Space Cache (PCSC) accelerates virtualization by caching static config reads, reducing VM boot times and bus contention in SR-IOV deployments.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

PCI Power Control Framework Issues and Solutions

Explore PCI power control framework limitations on non-ACPI systems and discover proposed solutions for managing endpoint power supplies beyond simple use cases.

• YouTube
• 14 minutes
• Self-Paced
• Conference Talk

GPU Firmware - Status and 2026 Plans

Explore NVIDIA's Nova Rust-based GPU driver development, firmware API evolution, and collaborative discussions on Linux kernel GPU driver design challenges.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

KSTATE as Deserializer of Kernel's State

Explore KSTATE as a kernel state serialization and deserialization solution in this Linux Plumbers Conference discussion by Andrey Ryabinin.

• YouTube
• 15 minutes
• Self-Paced
• Conference Talk

PCI Liveupdate Subsystem and PCI Device

Explore PCI liveupdate subsystem for GPU devices in hypervisors, addressing device probing challenges and state preservation during kernel transitions.

• YouTube
• 14 minutes
• Self-Paced
• Free Video

The Challenge of Loading 4kB-Aligned ELFs on 16kB Systems

Explore ELF loading challenges when transitioning from 4kB to 16kB page systems, analyzing compatibility solutions for legacy applications with misaligned segments.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

Android Ashmem to Memfd Migration

Explore Android's migration from ashmem to memfd memory allocator, covering compatibility challenges, SELinux support, and technical solutions for seamless transition.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

Supporting Hypervisor Kexec with Modern Devices

Explore how to achieve zero downtime hypervisor updates using kexec with modern accelerators like GPUs and RDMA NICs through innovative mlx5 driver bifurcation techniques.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

AOSP on Taped-Out RISC-V SoC Without RVA22/23 - I Came Back to Finish Ruinland

Discover how to port Android to legacy RISC-V silicon without modern RVA22/23 profiles, exploring real-world challenges and questioning the necessity of fancy extensions.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Turning PCIe Hints into Cache Hits - Enabling Smart Data Cache Injection in Linux

Discover AMD's Smart Data Cache Injection technology that uses PCIe hints to boost Linux performance by steering DMA writes directly into CPU L2 cache for reduced latency.

• YouTube
• 16 minutes
• Self-Paced
• Free Video