DepSurf

Function: restore_fpregs_from_user

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: ✅

  int restore_fpregs_from_user(void *buf, u64 xrestore, bool fx_only, unsigned int size);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/fpu/signal.c (ffffffff8104a5a0)
  Location: arch/x86/kernel/fpu/signal.c:249
  Inline: False
  Direct callers:
    - arch/x86/kernel/fpu/signal.c:__fpu_restore_sig
  

  Symbols:

  ffffffff8104a5a0-ffffffff8104a7ab: restore_fpregs_from_user (STB_LOCAL)
  

• In 5.19: ✅

  bool restore_fpregs_from_user(void *buf, u64 xrestore, bool fx_only, unsigned int size);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/fpu/signal.c (ffffffff810549c0)
  Location: arch/x86/kernel/fpu/signal.c:277
  Inline: False
  Direct callers:
    - arch/x86/kernel/fpu/signal.c:__fpu_restore_sig
  

  Symbols:

  ffffffff810549c0-ffffffff81054c15: restore_fpregs_from_user (STB_LOCAL)
  

• In 6.2: ✅

  bool restore_fpregs_from_user(void *buf, u64 xrestore, bool fx_only, unsigned int size);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/fpu/signal.c (ffffffff81062520)
  Location: arch/x86/kernel/fpu/signal.c:277
  Inline: False
  Direct callers:
    - arch/x86/kernel/fpu/signal.c:__fpu_restore_sig
  

  Symbols:

  ffffffff81062520-ffffffff81062764: restore_fpregs_from_user (STB_LOCAL)
  

• In 6.5: ✅

  bool restore_fpregs_from_user(void *buf, u64 xrestore, bool fx_only, unsigned int size);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/fpu/signal.c (ffffffff81063ff0)
  Location: arch/x86/kernel/fpu/signal.c:277
  Inline: False
  Direct callers:
    - arch/x86/kernel/fpu/signal.c:__fpu_restore_sig
  

  Symbols:

  ffffffff81063ff0-ffffffff81064221: restore_fpregs_from_user (STB_LOCAL)
  

• In 6.8: ✅

  bool restore_fpregs_from_user(void *buf, u64 xrestore, bool fx_only);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/fpu/signal.c (ffffffff8106b500)
  Location: arch/x86/kernel/fpu/signal.c:277
  Inline: False
  Direct callers:
    - arch/x86/kernel/fpu/signal.c:__fpu_restore_sig
  

  Symbols:

  ffffffff8106b500-ffffffff8106b740: restore_fpregs_from_user (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

• Changed between 5.15 and 5.19 ⚠️

  • Return type changed. int ➡️ bool
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Param removed. unsigned int size