Context Switching Demystified: CPU Registers, Kernel Syscall Traps & The Hidden Cache Invalidation Penalty
1. Introduction: The Single-Countertop Master Chef & Why CPU Context Switching Exists 🕒 Last Updated: October 2026 • ✅ Peer Reviewed: Senior Systems Engineering Team • ⚡ Difficulty: Beginner to Intermediate • ⏱…