The Linux Kernel
6.9.0-rc4
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Development process
Submitting patches
Code of conduct
Maintainer handbook
All development-process docs
Core API
Driver APIs
General information for driver authors
Useful support libraries
Early Userspace
Kernel Connector
Bus-Independent Device Accesses
Device Frequency Scaling
Buffer Sharing and Synchronization (dma-buf)
Component Helper for Aggregate Drivers
The io_mapping functions
Ordering I/O writes to memory-mapped addresses
The Userspace I/O HOWTO
VFIO Mediated devices
VFIO - “Virtual Function I/O”
Acceptance criteria for vfio-pci device specific driver variants
Bus-level documentation
Subsystem-specific APIs
Subsystems
Locking
Licensing rules
Writing documentation
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Testing guide
Hacking guide
Tracing
Fault injection
Livepatching
Rust
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Userspace API
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Early Userspace
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Early userspace support
initramfs buffer format