DepSurf

Function: snp_cpuid

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Absent ⚠️
• In 4.18: Absent ⚠️
• In 5.0: Absent ⚠️
• In 5.3: Absent ⚠️
• In 5.4: Absent ⚠️
• In 5.8: Absent ⚠️
• In 5.11: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: ✅

  int snp_cpuid(struct cpuid_leaf *leaf);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/sev.c (ffffffff810a4be0)
  Location: arch/x86/kernel/sev-shared.c:488
  Inline: False
  Direct callers:
    - arch/x86/kernel/sev.c:vc_handle_exitcode
    - arch/x86/kernel/sev.c:do_vc_no_ghcb
  

  Symbols:

  ffffffff810a4be0-ffffffff810a4d42: snp_cpuid (STB_LOCAL)
  

• In 6.2: ✅

  int snp_cpuid(struct cpuid_leaf *leaf);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/sev.c (ffffffff810bd100)
  Location: arch/x86/kernel/sev-shared.c:488
  Inline: False
  Direct callers:
    - arch/x86/kernel/sev.c:vc_handle_cpuid
    - arch/x86/kernel/sev.c:do_vc_no_ghcb
  

  Symbols:

  ffffffff810bd100-ffffffff810bd262: snp_cpuid (STB_LOCAL)
  

• In 6.5: ✅

  int snp_cpuid(struct cpuid_leaf *leaf);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/sev.c (ffffffff810c0770)
  Location: arch/x86/kernel/sev-shared.c:491
  Inline: False
  Direct callers:
    - arch/x86/kernel/sev.c:vc_handle_cpuid
    - arch/x86/kernel/sev.c:do_vc_no_ghcb
  

  Symbols:

  ffffffff810c0770-ffffffff810c08da: snp_cpuid (STB_LOCAL)
  

• In 6.8: ✅

  int snp_cpuid(struct ghcb *ghcb, struct es_em_ctxt *ctxt, struct cpuid_leaf *leaf);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/sev.c (ffffffff810c7bb0)
  Location: arch/x86/kernel/sev-shared.c:531
  Inline: False
  Direct callers:
    - arch/x86/kernel/sev.c:vc_handle_cpuid
    - arch/x86/kernel/sev.c:do_vc_no_ghcb
  

  Symbols:

  ffffffff810c7bb0-ffffffff810c7d3f: snp_cpuid (STB_LOCAL)
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: Absent ⚠️
• In azure: Absent ⚠️
• In gcp: Absent ⚠️
• In lowlatency: Absent ⚠️

Differences

Regular

• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Param added. struct ghcb *ghcb
  • Param added. struct es_em_ctxt *ctxt
  • Param reordered. leaf ➡️ ghcb, ctxt, leaf