2025.03.04F·44Context Switching: The Massive Hidden Cost of Multitasking
Why is CPU switching expensive? Cache Pollution, TLB Flush, Kernel Mode, vmstat tuning, and deep dive into Linux Kernel's switch_to macro.
CSOSContextSwitch
→2025.02.24F·37User Mode vs Kernel Mode: Dual Protection
When your code tries to enter Kernel Mode, CPU blocks it. Why split the computer into two modes?
CSOSSecurity
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