DepSurf

Function: xor_unlock_is_negative_byte

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: Absent ⚠️
• In 6.2: Absent ⚠️
• In 6.5: Absent ⚠️
• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff813baed4)
  Location: include/asm-generic/bitops/instrumented-lock.h:75
  Inline: True
  Inline callers:
    - mm/filemap.c:do_read_cache_folio
    - mm/filemap.c:do_read_cache_folio
    - mm/filemap.c:filemap_page_mkwrite
    - mm/filemap.c:filemap_map_pages
    - mm/filemap.c:filemap_map_pages
    - mm/filemap.c:next_uptodate_folio
    - mm/filemap.c:filemap_map_pmd
    - mm/filemap.c:filemap_map_pmd
    - mm/filemap.c:filemap_fault
    - mm/filemap.c:filemap_fault
    - mm/filemap.c:filemap_fault
    - mm/filemap.c:filemap_fault
    - mm/filemap.c:mapping_seek_hole_data
    - mm/filemap.c:filemap_update_page
    - mm/filemap.c:find_lock_entries
    - mm/filemap.c:__filemap_get_folio
    - mm/filemap.c:__filemap_get_folio
  

  In mm/page-writeback.c (ffffffff813c6fa2)
  Location: include/asm-generic/bitops/instrumented-lock.h:75
  Inline: True
  Inline callers:
    - mm/page-writeback.c:__folio_end_writeback
    - mm/page-writeback.c:__folio_end_writeback
  

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