Deepin Linux
Jan 4, 2025 · Fundamentals
Early I/O Memory Mapping (early_ioremap) in the Linux Kernel
The article explains the purpose, implementation, and usage of early I/O memory mapping (early_ioremap) in the Linux kernel, detailing its initialization, fixmap foundations, code flow, and differences from regular ioremap, with examples and kernel source snippets.
I/OLinux Kernelboot process
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