Explore the concept of IPI deferral in this insightful conference talk presented by Valentin Schneider at the Linux Plumbers Conference. Delve into the intricacies of Inter-Processor Interrupts (IPIs) and learn about innovative techniques for deferring their execution. Gain valuable knowledge on how IPI deferral can potentially improve system performance and efficiency in Linux environments. Discover the challenges, implementation details, and potential benefits of this approach as Schneider shares his expertise on the subject.