The Linux Kernel
5.8.0
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  • x86-specific Documentation
    • 1. The Linux/x86 Boot Protocol
    • 2. x86 Topology
    • 3. Kernel level exception handling
    • 4. Kernel Stacks
    • 5. Kernel Entries
    • 6. Early Printk
    • 7. ORC unwinder
    • 8. Zero Page
    • 9. The TLB
    • 10. MTRR (Memory Type Range Register) control
    • 11. PAT (Page Attribute Table)
    • 12. Linux IOMMU Support
    • 13. Intel(R) TXT Overview
    • 14. AMD Memory Encryption
    • 15. Page Table Isolation (PTI)
    • 16. Microarchitectural Data Sampling (MDS) mitigation
    • 17. The Linux Microcode Loader
    • 18. User Interface for Resource Control feature
    • 19. TSX Async Abort (TAA) mitigation
    • 20. USB Legacy support
    • 21. i386 Support
    • 22. x86_64 Support
      • 22.1. AMD64 Specific Boot Options
      • 22.2. General note on [U]EFI x86_64 support
      • 22.3. Memory Management
      • 22.4. 5-level paging
      • 22.5. Fake NUMA For CPUSets
      • 22.6. Firmware support for CPU hotplug under Linux/x86-64
      • 22.7. Configurable sysfs parameters for the x86-64 machine check code
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The Linux Kernel
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  • x86-specific Documentation »
  • 22. x86_64 Support
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22. x86_64 Support¶

  • 22.1. AMD64 Specific Boot Options
    • 22.1.1. Machine check
    • 22.1.2. APICs
    • 22.1.3. Timing
    • 22.1.4. Idle loop
    • 22.1.5. Rebooting
    • 22.1.6. Non Executable Mappings
    • 22.1.7. NUMA
    • 22.1.8. ACPI
    • 22.1.9. PCI
    • 22.1.10. IOMMU (input/output memory management unit)
    • 22.1.11. Miscellaneous
  • 22.2. General note on [U]EFI x86_64 support
    • 22.2.1. Mechanics
  • 22.3. Memory Management
    • 22.3.1. Complete virtual memory map with 4-level page tables
    • 22.3.2. Complete virtual memory map with 5-level page tables
  • 22.4. 5-level paging
    • 22.4.1. Overview
    • 22.4.2. Enabling 5-level paging
    • 22.4.3. User-space and large virtual address space
  • 22.5. Fake NUMA For CPUSets
  • 22.6. Firmware support for CPU hotplug under Linux/x86-64
  • 22.7. Configurable sysfs parameters for the x86-64 machine check code
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