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<li class="toctree-l2 current"><a class="current reference internal" href="#">x86-specific Documentation</a><ul>
<li class="toctree-l3"><a class="reference internal" href="boot.html">1. The Linux/x86 Boot Protocol</a></li>
<li class="toctree-l3"><a class="reference internal" href="booting-dt.html">2. DeviceTree Booting</a></li>
<li class="toctree-l3"><a class="reference internal" href="cpuinfo.html">3. x86 Feature Flags</a></li>
<li class="toctree-l3"><a class="reference internal" href="topology.html">4. x86 Topology</a></li>
<li class="toctree-l3"><a class="reference internal" href="exception-tables.html">5. Kernel level exception handling</a></li>
<li class="toctree-l3"><a class="reference internal" href="kernel-stacks.html">6. Kernel Stacks</a></li>
<li class="toctree-l3"><a class="reference internal" href="entry_64.html">7. Kernel Entries</a></li>
<li class="toctree-l3"><a class="reference internal" href="earlyprintk.html">8. Early Printk</a></li>
<li class="toctree-l3"><a class="reference internal" href="orc-unwinder.html">9. ORC unwinder</a></li>
<li class="toctree-l3"><a class="reference internal" href="zero-page.html">10. Zero Page</a></li>
<li class="toctree-l3"><a class="reference internal" href="tlb.html">11. The TLB</a></li>
<li class="toctree-l3"><a class="reference internal" href="mtrr.html">12. MTRR (Memory Type Range Register) control</a></li>
<li class="toctree-l3"><a class="reference internal" href="pat.html">13. PAT (Page Attribute Table)</a></li>
<li class="toctree-l3"><a class="reference internal" href="intel-hfi.html">14. Hardware-Feedback Interface for scheduling on Intel Hardware</a></li>
<li class="toctree-l3"><a class="reference internal" href="shstk.html">15. Control-flow Enforcement Technology (CET) Shadow Stack</a></li>
<li class="toctree-l3"><a class="reference internal" href="iommu.html">16. x86 IOMMU Support</a></li>
<li class="toctree-l3"><a class="reference internal" href="intel_txt.html">17. Intel(R) TXT Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="amd-debugging.html">18. Debugging AMD Zen systems</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pti.html">23. Page Table Isolation (PTI)</a></li>
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<section id="x86-specific-documentation">
<h1>x86-specific Documentation<a class="headerlink" href="#x86-specific-documentation" title="Link to this heading">¶</a></h1>
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<ul>
<li class="toctree-l1"><a class="reference internal" href="boot.html">1. The Linux/x86 Boot Protocol</a><ul>
<li class="toctree-l2"><a class="reference internal" href="boot.html#memory-layout">1.1. Memory Layout</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#the-real-mode-kernel-header">1.2. The Real-Mode Kernel Header</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#details-of-header-fields">1.3. Details of Header Fields</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#the-kernel-info">1.4. The kernel_info</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#details-of-the-kernel-info-fields">1.5. Details of the kernel_info Fields</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#the-kernel-command-line">1.6. The Kernel Command Line</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#memory-layout-of-the-real-mode-code">1.7. Memory Layout of The Real-Mode Code</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#sample-boot-configuration">1.8. Sample Boot Configuration</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#loading-the-rest-of-the-kernel">1.9. Loading The Rest of The Kernel</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#special-command-line-options">1.10. Special Command Line Options</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#running-the-kernel">1.11. Running the Kernel</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#advanced-boot-loader-hooks">1.12. Advanced Boot Loader Hooks</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#bit-boot-protocol">1.13. 32-bit Boot Protocol</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#id1">1.14. 64-bit Boot Protocol</a></li>
<li class="toctree-l2"><a class="reference internal" href="boot.html#efi-handover-protocol-deprecated">1.15. EFI Handover Protocol (deprecated)</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="booting-dt.html">2. DeviceTree Booting</a></li>
<li class="toctree-l1"><a class="reference internal" href="cpuinfo.html">3. x86 Feature Flags</a><ul>
<li class="toctree-l2"><a class="reference internal" href="cpuinfo.html#introduction">3.1. Introduction</a></li>
<li class="toctree-l2"><a class="reference internal" href="cpuinfo.html#how-are-feature-flags-created">3.2. How are feature flags created?</a></li>
<li class="toctree-l2"><a class="reference internal" href="cpuinfo.html#naming-of-flags">3.3. Naming of Flags</a></li>
<li class="toctree-l2"><a class="reference internal" href="cpuinfo.html#flags-are-missing-when-one-or-more-of-these-happen">3.4. Flags are missing when one or more of these happen</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="topology.html">4. x86 Topology</a><ul>
<li class="toctree-l2"><a class="reference internal" href="topology.html#package">4.1. Package</a></li>
<li class="toctree-l2"><a class="reference internal" href="topology.html#cores">4.2. Cores</a></li>
<li class="toctree-l2"><a class="reference internal" href="topology.html#threads">4.3. Threads</a></li>
<li class="toctree-l2"><a class="reference internal" href="topology.html#system-topology-enumeration">4.4. System topology enumeration</a></li>
<li class="toctree-l2"><a class="reference internal" href="topology.html#system-topology-examples">4.5. System topology examples</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="exception-tables.html">5. Kernel level exception handling</a></li>
<li class="toctree-l1"><a class="reference internal" href="kernel-stacks.html">6. Kernel Stacks</a><ul>
<li class="toctree-l2"><a class="reference internal" href="kernel-stacks.html#kernel-stacks-on-x86-64-bit">6.1. Kernel stacks on x86-64 bit</a></li>
<li class="toctree-l2"><a class="reference internal" href="kernel-stacks.html#printing-backtraces-on-x86">6.2. Printing backtraces on x86</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="entry_64.html">7. Kernel Entries</a></li>
<li class="toctree-l1"><a class="reference internal" href="earlyprintk.html">8. Early Printk</a><ul>
<li class="toctree-l2"><a class="reference internal" href="earlyprintk.html#hardware-requirements">8.1. Hardware requirements</a></li>
<li class="toctree-l2"><a class="reference internal" href="earlyprintk.html#software-requirements">8.2. Software requirements</a></li>
<li class="toctree-l2"><a class="reference internal" href="earlyprintk.html#testing">8.3. Testing</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="orc-unwinder.html">9. ORC unwinder</a><ul>
<li class="toctree-l2"><a class="reference internal" href="orc-unwinder.html#overview">9.1. Overview</a></li>
<li class="toctree-l2"><a class="reference internal" href="orc-unwinder.html#orc-vs-frame-pointers">9.2. ORC vs frame pointers</a></li>
<li class="toctree-l2"><a class="reference internal" href="orc-unwinder.html#orc-vs-dwarf">9.3. ORC vs DWARF</a></li>
<li class="toctree-l2"><a class="reference internal" href="orc-unwinder.html#orc-unwind-table-generation">9.4. ORC unwind table generation</a></li>
<li class="toctree-l2"><a class="reference internal" href="orc-unwinder.html#unwinder-implementation-details">9.5. Unwinder implementation details</a></li>
<li class="toctree-l2"><a class="reference internal" href="orc-unwinder.html#etymology">9.6. Etymology</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="zero-page.html">10. Zero Page</a></li>
<li class="toctree-l1"><a class="reference internal" href="tlb.html">11. The TLB</a></li>
<li class="toctree-l1"><a class="reference internal" href="mtrr.html">12. MTRR (Memory Type Range Register) control</a><ul>
<li class="toctree-l2"><a class="reference internal" href="mtrr.html#phasing-out-mtrr-use">12.1. Phasing out MTRR use</a></li>
<li class="toctree-l2"><a class="reference internal" href="mtrr.html#reading-mtrrs-from-the-shell">12.2. Reading MTRRs from the shell</a></li>
<li class="toctree-l2"><a class="reference internal" href="mtrr.html#creating-overlapping-mtrrs">12.3. Creating overlapping MTRRs</a></li>
<li class="toctree-l2"><a class="reference internal" href="mtrr.html#removing-mtrrs-from-the-c-shel">12.4. Removing MTRRs from the C-shel</a></li>
<li class="toctree-l2"><a class="reference internal" href="mtrr.html#reading-mtrrs-from-a-c-program-using-ioctl-s">12.5. Reading MTRRs from a C program using ioctl()’s</a></li>
<li class="toctree-l2"><a class="reference internal" href="mtrr.html#creating-mtrrs-from-a-c-programme-using-ioctl-s">12.6. Creating MTRRs from a C programme using ioctl()’s</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="pat.html">13. PAT (Page Attribute Table)</a><ul>
<li class="toctree-l2"><a class="reference internal" href="pat.html#pat-apis">13.1. PAT APIs</a></li>
<li class="toctree-l2"><a class="reference internal" href="pat.html#advanced-apis-for-drivers">13.2. Advanced APIs for drivers</a></li>
<li class="toctree-l2"><a class="reference internal" href="pat.html#mtrr-effects-on-pat-non-pat-systems">13.3. MTRR effects on PAT / non-PAT systems</a></li>
<li class="toctree-l2"><a class="reference internal" href="pat.html#pat-debugging">13.4. PAT debugging</a></li>
<li class="toctree-l2"><a class="reference internal" href="pat.html#pat-initialization">13.5. PAT Initialization</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="intel-hfi.html">14. Hardware-Feedback Interface for scheduling on Intel Hardware</a><ul>
<li class="toctree-l2"><a class="reference internal" href="intel-hfi.html#overview">14.1. Overview</a></li>
<li class="toctree-l2"><a class="reference internal" href="intel-hfi.html#the-hardware-feedback-interface">14.2. The Hardware Feedback Interface</a></li>
<li class="toctree-l2"><a class="reference internal" href="intel-hfi.html#implementation-details-for-linux">14.3. Implementation details for Linux</a></li>
<li class="toctree-l2"><a class="reference internal" href="intel-hfi.html#references">14.4. References</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="shstk.html">15. Control-flow Enforcement Technology (CET) Shadow Stack</a><ul>
<li class="toctree-l2"><a class="reference internal" href="shstk.html#cet-background">15.1. CET Background</a></li>
<li class="toctree-l2"><a class="reference internal" href="shstk.html#requirements-to-use-shadow-stack">15.2. Requirements to use Shadow Stack</a></li>
<li class="toctree-l2"><a class="reference internal" href="shstk.html#application-enabling">15.3. Application Enabling</a></li>
<li class="toctree-l2"><a class="reference internal" href="shstk.html#enabling-arch-prctl-s">15.4. Enabling arch_prctl()’s</a></li>
<li class="toctree-l2"><a class="reference internal" href="shstk.html#proc-status">15.5. Proc Status</a></li>
<li class="toctree-l2"><a class="reference internal" href="shstk.html#implementation-of-the-shadow-stack">15.6. Implementation of the Shadow Stack</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="iommu.html">16. x86 IOMMU Support</a><ul>
<li class="toctree-l2"><a class="reference internal" href="iommu.html#basic-stuff">16.1. Basic stuff</a></li>
<li class="toctree-l2"><a class="reference internal" href="iommu.html#how-is-an-i-o-virtual-address-iova-generated">16.2. How is an I/O Virtual Address (IOVA) generated?</a></li>
<li class="toctree-l2"><a class="reference internal" href="iommu.html#intel-specific-notes">16.3. Intel Specific Notes</a></li>
<li class="toctree-l2"><a class="reference internal" href="iommu.html#amd-specific-notes">16.4. AMD Specific Notes</a></li>
<li class="toctree-l2"><a class="reference internal" href="iommu.html#fault-reporting">16.5. Fault reporting</a></li>
<li class="toctree-l2"><a class="reference internal" href="iommu.html#kernel-log-samples">16.6. Kernel Log Samples</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="intel_txt.html">17. Intel(R) TXT Overview</a><ul>
<li class="toctree-l2"><a class="reference internal" href="intel_txt.html#trusted-boot-project-overview">17.1. Trusted Boot Project Overview</a></li>
<li class="toctree-l2"><a class="reference internal" href="intel_txt.html#value-proposition-for-linux-or-why-should-you-care">17.2. Value Proposition for Linux or “Why should you care?”</a></li>
<li class="toctree-l2"><a class="reference internal" href="intel_txt.html#how-does-it-work">17.3. How Does it Work?</a></li>
<li class="toctree-l2"><a class="reference internal" href="intel_txt.html#configuring-the-system">17.4. Configuring the System</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="amd-debugging.html">18. Debugging AMD Zen systems</a><ul>
<li class="toctree-l2"><a class="reference internal" href="amd-debugging.html#introduction">18.1. Introduction</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-debugging.html#s3-vs-s2idle">18.2. S3 vs s2idle</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-debugging.html#s2idle-debugging-tool">18.3. s2idle debugging tool</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-debugging.html#spurious-s2idle-wakeups-from-an-irq">18.4. Spurious s2idle wakeups from an IRQ</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-debugging.html#spurious-s2idle-wakeups-from-a-gpio">18.5. Spurious s2idle wakeups from a GPIO</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-debugging.html#s2idle-pm-debug-messages">18.6. s2idle PM debug messages</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-debugging.html#historical-examples-of-s2idle-issues">18.7. Historical examples of s2idle issues</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-debugging.html#runtime-power-consumption-issues">18.8. Runtime power consumption issues</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-debugging.html#bios-debug-messages">18.9. BIOS debug messages</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-debugging.html#random-reboot-issues">18.10. Random reboot issues</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="amd-memory-encryption.html">19. AMD Memory Encryption</a><ul>
<li class="toctree-l2"><a class="reference internal" href="amd-memory-encryption.html#secure-nested-paging-snp">19.1. Secure Nested Paging (SNP)</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-memory-encryption.html#reverse-map-table-rmp">19.2. Reverse Map Table (RMP)</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-memory-encryption.html#secure-vm-service-module-svsm">19.3. Secure VM Service Module (SVSM)</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="amd_hsmp.html">20. AMD HSMP interface</a><ul>
<li class="toctree-l2"><a class="reference internal" href="amd_hsmp.html#hsmp-device">20.1. HSMP device</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd_hsmp.html#hsmp-sysfs-interface">20.2. HSMP sysfs interface</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd_hsmp.html#acpi-device-object-format">20.3. ACPI device object format</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd_hsmp.html#hsmp-hwmon-interface">20.4. HSMP HWMON interface</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd_hsmp.html#an-example">20.5. An example</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="amd-hfi.html">21. Hardware Feedback Interface For Hetero Core Scheduling On AMD Platform</a><ul>
<li class="toctree-l2"><a class="reference internal" href="amd-hfi.html#overview">21.1. Overview</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-hfi.html#amd-heterogeneous-core-driver">21.2. AMD Heterogeneous Core Driver</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-hfi.html#thread-classification-and-ranking-table-interaction">21.3. Thread Classification and Ranking Table Interaction</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-hfi.html#amd-hardware-feedback-interface">21.4. AMD Hardware Feedback Interface</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-hfi.html#implementation-details-for-linux">21.5. Implementation details for Linux</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-hfi.html#ranking-table">21.6. Ranking Table</a></li>
<li class="toctree-l2"><a class="reference internal" href="amd-hfi.html#ranking-table-update">21.7. Ranking Table update</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="tdx.html">22. Intel Trust Domain Extensions (TDX)</a><ul>
<li class="toctree-l2"><a class="reference internal" href="tdx.html#tdx-host-kernel-support">22.1. TDX Host Kernel Support</a></li>
<li class="toctree-l2"><a class="reference internal" href="tdx.html#tdx-guest-support">22.2. TDX Guest Support</a></li>
<li class="toctree-l2"><a class="reference internal" href="tdx.html#attestation">22.3. Attestation</a></li>
<li class="toctree-l2"><a class="reference internal" href="tdx.html#references">22.4. References</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="pti.html">23. Page Table Isolation (PTI)</a><ul>
<li class="toctree-l2"><a class="reference internal" href="pti.html#overview">23.1. Overview</a></li>
<li class="toctree-l2"><a class="reference internal" href="pti.html#page-table-management">23.2. Page Table Management</a></li>
<li class="toctree-l2"><a class="reference internal" href="pti.html#overhead">23.3. Overhead</a></li>
<li class="toctree-l2"><a class="reference internal" href="pti.html#possible-future-work">23.4. Possible Future Work</a></li>
<li class="toctree-l2"><a class="reference internal" href="pti.html#testing">23.5. Testing</a></li>
<li class="toctree-l2"><a class="reference internal" href="pti.html#debugging">23.6. Debugging</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="mds.html">24. Microarchitectural Data Sampling (MDS) mitigation</a><ul>
<li class="toctree-l2"><a class="reference internal" href="mds.html#overview">24.1. Overview</a></li>
<li class="toctree-l2"><a class="reference internal" href="mds.html#exposure-assumptions">24.2. Exposure assumptions</a></li>
<li class="toctree-l2"><a class="reference internal" href="mds.html#mitigation-strategy">24.3. Mitigation strategy</a></li>
<li class="toctree-l2"><a class="reference internal" href="mds.html#kernel-internal-mitigation-modes">24.4. Kernel internal mitigation modes</a></li>
<li class="toctree-l2"><a class="reference internal" href="mds.html#mitigation-points">24.5. Mitigation points</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="microcode.html">25. The Linux Microcode Loader</a><ul>
<li class="toctree-l2"><a class="reference internal" href="microcode.html#early-load-microcode">25.1. Early load microcode</a></li>
<li class="toctree-l2"><a class="reference internal" href="microcode.html#late-loading">25.2. Late loading</a></li>
<li class="toctree-l2"><a class="reference internal" href="microcode.html#why-is-late-loading-dangerous">25.3. Why is late loading dangerous?</a></li>
<li class="toctree-l2"><a class="reference internal" href="microcode.html#builtin-microcode">25.4. Builtin microcode</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="tsx_async_abort.html">26. TSX Async Abort (TAA) mitigation</a><ul>
<li class="toctree-l2"><a class="reference internal" href="tsx_async_abort.html#overview">26.1. Overview</a></li>
<li class="toctree-l2"><a class="reference internal" href="tsx_async_abort.html#mitigation-strategy">26.2. Mitigation strategy</a></li>
<li class="toctree-l2"><a class="reference internal" href="tsx_async_abort.html#kernel-internal-mitigation-modes">26.3. Kernel internal mitigation modes</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="buslock.html">27. Bus lock detection and handling</a><ul>
<li class="toctree-l2"><a class="reference internal" href="buslock.html#problem">27.1. Problem</a></li>
<li class="toctree-l2"><a class="reference internal" href="buslock.html#detection">27.2. Detection</a></li>
<li class="toctree-l2"><a class="reference internal" href="buslock.html#software-handling">27.3. Software handling</a></li>
<li class="toctree-l2"><a class="reference internal" href="buslock.html#usages">27.4. Usages</a></li>
<li class="toctree-l2"><a class="reference internal" href="buslock.html#guidance">27.5. Guidance</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="usb-legacy-support.html">28. USB Legacy support</a></li>
<li class="toctree-l1"><a class="reference internal" href="i386/index.html">29. i386 Support</a><ul>
<li class="toctree-l2"><a class="reference internal" href="i386/IO-APIC.html">29.1. IO-APIC</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="x86_64/index.html">30. x86_64 Support</a><ul>
<li class="toctree-l2"><a class="reference internal" href="x86_64/uefi.html">30.1. General note on [U]EFI x86_64 support</a></li>
<li class="toctree-l2"><a class="reference internal" href="x86_64/mm.html">30.2. Memory Management</a></li>
<li class="toctree-l2"><a class="reference internal" href="x86_64/5level-paging.html">30.3. 5-level paging</a></li>
<li class="toctree-l2"><a class="reference internal" href="x86_64/fake-numa-for-cpusets.html">30.4. Fake NUMA For CPUSets</a></li>
<li class="toctree-l2"><a class="reference internal" href="x86_64/cpu-hotplug-spec.html">30.5. Firmware support for CPU hotplug under Linux/x86-64</a></li>
<li class="toctree-l2"><a class="reference internal" href="x86_64/machinecheck.html">30.6. Configurable sysfs parameters for the x86-64 machine check code</a></li>
<li class="toctree-l2"><a class="reference internal" href="x86_64/fsgs.html">30.7. Using FS and GS segments in user space applications</a></li>
<li class="toctree-l2"><a class="reference internal" href="x86_64/fred.html">30.8. Flexible Return and Event Delivery (FRED)</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="ifs.html">31. In-Field Scan</a><ul>
<li class="toctree-l2"><a class="reference internal" href="ifs.html#introduction">31.1. Introduction</a></li>
<li class="toctree-l2"><a class="reference internal" href="ifs.html#ifs-image">31.2. IFS Image</a></li>
<li class="toctree-l2"><a class="reference internal" href="ifs.html#ifs-image-loading">31.3. IFS Image Loading</a></li>
<li class="toctree-l2"><a class="reference internal" href="ifs.html#running-tests">31.4. Running tests</a></li>
<li class="toctree-l2"><a class="reference internal" href="ifs.html#driver-design-choices">31.5. Driver design choices</a></li>
<li class="toctree-l2"><a class="reference internal" href="ifs.html#structural-based-functional-test-at-field-sbaf">31.6. Structural Based Functional Test at Field (SBAF):</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sva.html">32. Shared Virtual Addressing (SVA) with ENQCMD</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sva.html#background">32.1. Background</a></li>
<li class="toctree-l2"><a class="reference internal" href="sva.html#shared-hardware-workqueues">32.2. Shared Hardware Workqueues</a></li>
<li class="toctree-l2"><a class="reference internal" href="sva.html#enqcmd">32.3. ENQCMD</a></li>
<li class="toctree-l2"><a class="reference internal" href="sva.html#process-address-space-tagging">32.4. Process Address Space Tagging</a></li>
<li class="toctree-l2"><a class="reference internal" href="sva.html#pasid-management">32.5. PASID Management</a></li>
<li class="toctree-l2"><a class="reference internal" href="sva.html#pasid-life-cycle-management">32.6. PASID Life Cycle Management</a></li>
<li class="toctree-l2"><a class="reference internal" href="sva.html#relationships">32.7. Relationships</a></li>
<li class="toctree-l2"><a class="reference internal" href="sva.html#faq">32.8. FAQ</a></li>
<li class="toctree-l2"><a class="reference internal" href="sva.html#references">32.9. References</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sgx.html">33. Software Guard eXtensions (SGX)</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sgx.html#overview">33.1. Overview</a></li>
<li class="toctree-l2"><a class="reference internal" href="sgx.html#enclave-page-cache">33.2. Enclave Page Cache</a></li>
<li class="toctree-l2"><a class="reference internal" href="sgx.html#application-interface">33.3. Application interface</a></li>
<li class="toctree-l2"><a class="reference internal" href="sgx.html#ksgxd">33.4. ksgxd</a></li>
<li class="toctree-l2"><a class="reference internal" href="sgx.html#launch-control">33.5. Launch Control</a></li>
<li class="toctree-l2"><a class="reference internal" href="sgx.html#encryption-engines">33.6. Encryption engines</a></li>
<li class="toctree-l2"><a class="reference internal" href="sgx.html#usage-models">33.7. Usage Models</a></li>
<li class="toctree-l2"><a class="reference internal" href="sgx.html#impact-of-potential-kernel-sgx-bugs">33.8. Impact of Potential Kernel SGX Bugs</a></li>
<li class="toctree-l2"><a class="reference internal" href="sgx.html#virtual-epc">33.9. Virtual EPC</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="features.html">34. Feature status on x86 architecture</a></li>
<li class="toctree-l1"><a class="reference internal" href="elf_auxvec.html">35. x86-specific ELF Auxiliary Vectors</a><ul>
<li class="toctree-l2"><a class="reference internal" href="elf_auxvec.html#introduction">35.1. Introduction</a></li>
<li class="toctree-l2"><a class="reference internal" href="elf_auxvec.html#the-exposed-auxiliary-vectors">35.2. The exposed auxiliary vectors</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="xstate.html">36. Using XSTATE features in user space applications</a><ul>
<li class="toctree-l2"><a class="reference internal" href="xstate.html#the-purpose-for-dynamic-features">36.1. The purpose for dynamic features</a></li>
<li class="toctree-l2"><a class="reference internal" href="xstate.html#using-dynamically-enabled-xstate-features-in-user-space-applications">36.2. Using dynamically enabled XSTATE features in user space applications</a></li>
<li class="toctree-l2"><a class="reference internal" href="xstate.html#dynamic-features-in-signal-frames">36.3. Dynamic features in signal frames</a></li>
<li class="toctree-l2"><a class="reference internal" href="xstate.html#dynamic-features-for-virtual-machines">36.4. Dynamic features for virtual machines</a></li>
</ul>
</li>
</ul>
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