Linux Plumbers Conference Courses

Embedded Linux Birds of a Feather Discussion

Explore current embedded Linux technologies, discussing system size, boot time, power management, realtime performance, filesystems, and more. Identify work areas and plan collaborations in the ecosystem.

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

DAMON Current Status and Future Plans

Efficient data access monitoring subsystem for Linux kernel. Discusses current status, improvements, and future plans for DAMON, including ABI, DAMOS control, and memory management extensions.

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

Improving Resource Ownership and Lifetime in Linux Device Drivers

Explores strategies to enhance object ownership, prevent use-after-free bugs, and improve hot unplug event handling in Linux device drivers, addressing issues across multiple subsystems.

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

Livepatch Visibility at Scale

Explore techniques for tracking livepatch information across millions of servers, enhancing kernel version monitoring and error analysis in hyperscale data centers.

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

Block Layer Rust API for Linux Kernel Device Drivers

Exploring Rust integration in Linux kernel's block layer, showcasing Rust null_blk and NVMe drivers, discussing performance optimizations, and addressing upstreaming challenges.

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

Converting a DRM Driver to Rust

Explore the challenges and benefits of rewriting a DRM driver in Rust for the Linux Kernel, from the perspective of a C programmer transitioning to Rust development.

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

IOMMUFD Discussion - Advanced Topics in IOMMU Technology

Explore advanced IOMMU topics including dirty tracking, nested translation, userspace command queue, and unique driver features. Discuss SVA/PRI/PASID support and ARM interrupt handling in VMs.

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

SYN Proxy at Scale with BPF

Explore stateless SYN Proxy implementation using BPF for enhanced server protection against SYN flood attacks. Learn about SYN Cookie encoding, kernel modules, and ongoing efforts to improve scalability.

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

BPF-Based Packet Filtering Framework: bpfilter - Current Capabilities and Development

Explore bpfilter's evolution into a userspace daemon for dynamic packet-filtering BPF programs. Learn about its capabilities, performance, and ongoing development efforts.

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

Extending AF_XDP with Hardware Metadata

Explore AF_XDP's recent advancements in NIC offloads, its impact on low-level networking, and future developments for enhanced userspace access to networking queues.

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

VSOCK: From Convenience to Performant VirtIO Communication

VSOCK's evolution from convenience to high-performance protocol for VM-host communication. Explores datagram support, performance advantages over UDP, and sockmap integration for enhanced eBPF capabilities.

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

Performance Feature Improvements in RISC-V Linux Kernel

Exploring RISC-V Linux kernel's perf support challenges and upcoming ISA extensions. Discusses implementation issues, event mapping, and user space access to improve performance monitoring capabilities.

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

Run ILP32 on RV64 ISA - RV64ILP32

Exploring RV64ILP32: advantages, performance comparisons, and implementation across platforms. Demonstrates potential for improved RISC-V hardware performance and cost-effectiveness.

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

Porting Trusted Execution Environment Provisioning (TEEP) Protocol to WorldGuard on RISC-V

Explore porting TEEP Protocol to WorldGuard on RISC-V for enhanced hardware-isolated security, enabling remote trustworthiness checks and secure software updates across various devices.

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

RISC-V IRQ Bypass Implementation for KVM

Explore RISC-V KVM's irqbypass implementation, focusing on AIA and IOMMU specifications, MRIF support, and uAPI proposals for notice MSI delivery. Discuss performance implications and accounting improvements.

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