DepSurf

Function: wr_ghcb_msr

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: Selective Inline ⚠️

  void wr_ghcb_msr(u64 val);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/hyperv/ivm.c (ffffffff8103f166)
  Location: arch/x86/hyperv/ivm.c:106
  Inline: True
  Inline callers:
    - arch/x86/hyperv/ivm.c:hv_ghcb_negotiate_protocol
    - arch/x86/hyperv/ivm.c:hv_ghcb_negotiate_protocol
  Direct callers:
    - arch/x86/hyperv/ivm.c:hv_ghcb_terminate
  

  Symbols:

  ffffffff8103ed60-ffffffff8103ed7e: wr_ghcb_msr (STB_LOCAL)
  

• In 6.2: Selective Inline ⚠️

  void wr_ghcb_msr(u64 val);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/hyperv/ivm.c (ffffffff81048286)
  Location: arch/x86/hyperv/ivm.c:106
  Inline: True
  Inline callers:
    - arch/x86/hyperv/ivm.c:hv_ghcb_negotiate_protocol
    - arch/x86/hyperv/ivm.c:hv_ghcb_negotiate_protocol
  Direct callers:
    - arch/x86/hyperv/ivm.c:hv_ghcb_terminate
  

  Symbols:

  ffffffff81047d70-ffffffff81047d8e: wr_ghcb_msr (STB_LOCAL)
  

• In 6.5: Selective Inline ⚠️

  void wr_ghcb_msr(u64 val);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/hyperv/ivm.c (ffffffff81048636)
  Location: arch/x86/hyperv/ivm.c:109
  Inline: True
  Inline callers:
    - arch/x86/hyperv/ivm.c:hv_ghcb_negotiate_protocol
    - arch/x86/hyperv/ivm.c:hv_ghcb_negotiate_protocol
  Direct callers:
    - arch/x86/hyperv/ivm.c:hv_ghcb_terminate
  

  Symbols:

  ffffffff81048060-ffffffff8104807e: wr_ghcb_msr (STB_LOCAL)
  

• In 6.8: Selective Inline ⚠️

  void wr_ghcb_msr(u64 val);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/hyperv/ivm.c (ffffffff8104f016)
  Location: arch/x86/hyperv/ivm.c:117
  Inline: True
  Inline callers:
    - arch/x86/hyperv/ivm.c:hv_ghcb_negotiate_protocol
    - arch/x86/hyperv/ivm.c:hv_ghcb_negotiate_protocol
  Direct callers:
    - arch/x86/hyperv/ivm.c:hv_ghcb_terminate
  

  Symbols:

  ffffffff8104e880-ffffffff8104e89e: wr_ghcb_msr (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 ✅
• No changes between 6.5 and 6.8 ✅