The Linux Kernel
5.2.0
  • The Linux kernel user’s and administrator’s guide
  • The Linux kernel firmware guide
  • The Linux kernel user-space API guide
  • Working with the kernel development community
  • Development tools for the kernel
  • How to write kernel documentation
  • Kernel Hacking Guides
  • Linux Tracing Technologies
  • Kernel Maintainer Handbook
  • The Linux driver implementer’s API guide
  • Core API Documentation
  • Linux Media Subsystem Documentation
  • Linux Networking Documentation
  • The Linux Input Documentation
  • Linux Hardware Monitoring
  • Linux GPU Driver Developer’s Guide
  • Security Documentation
  • Linux Sound Subsystem Documentation
  • Linux Kernel Crypto API
  • Filesystems in the Linux kernel
  • Linux Memory Management Documentation
  • BPF Documentation
  • Assorted Miscellaneous Devices Documentation
  • 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. Memory Protection Keys
    • 13. Intel(R) Memory Protection Extensions (MPX)
    • 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. USB Legacy support
    • 20. i386 Support
    • 21. x86_64 Support
      • 21.1. AMD64 Specific Boot Options
      • 21.2. General note on [U]EFI x86_64 support
      • 21.3. Memory Managment
      • 21.4. 5-level paging
      • 21.5. Fake NUMA For CPUSets
      • 21.6. Firmware support for CPU hotplug under Linux/x86-64
      • 21.7. Configurable sysfs parameters for the x86-64 machine check code
  • SuperH Interfaces Guide
  • 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. Memory Protection Keys
    • 13. Intel(R) Memory Protection Extensions (MPX)
    • 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. USB Legacy support
    • 20. i386 Support
    • 21. x86_64 Support
      • 21.1. AMD64 Specific Boot Options
      • 21.2. General note on [U]EFI x86_64 support
      • 21.3. Memory Managment
      • 21.4. 5-level paging
      • 21.5. Fake NUMA For CPUSets
      • 21.6. Firmware support for CPU hotplug under Linux/x86-64
      • 21.7. Configurable sysfs parameters for the x86-64 machine check code
  • ext4 Data Structures and Algorithms
  • Translations
The Linux Kernel
  • Docs »
  • x86-specific Documentation »
  • 21. x86_64 Support
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21. x86_64 SupportΒΆ

  • 21.1. AMD64 Specific Boot Options
    • 21.1.1. Machine check
    • 21.1.2. APICs
    • 21.1.3. Timing
    • 21.1.4. Idle loop
    • 21.1.5. Rebooting
    • 21.1.6. Non Executable Mappings
    • 21.1.7. NUMA
    • 21.1.8. ACPI
    • 21.1.9. PCI
    • 21.1.10. IOMMU (input/output memory management unit)
    • 21.1.11. Miscellaneous
  • 21.2. General note on [U]EFI x86_64 support
    • 21.2.1. Mechanics
  • 21.3. Memory Managment
    • 21.3.1. Complete virtual memory map with 4-level page tables
    • 21.3.2. Complete virtual memory map with 5-level page tables
  • 21.4. 5-level paging
    • 21.4.1. Overview
    • 21.4.2. Enabling 5-level paging
    • 21.4.3. User-space and large virtual address space
  • 21.5. Fake NUMA For CPUSets
  • 21.6. Firmware support for CPU hotplug under Linux/x86-64
  • 21.7. Configurable sysfs parameters for the x86-64 machine check code
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