DepSurf

Function: percpu_up_read_preempt_enable

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/fork.c (ffffffff81085d0b)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  

  In kernel/signal.c (ffffffff810988df)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - kernel/signal.c:exit_signals
    - kernel/signal.c:exit_signals
  

  In kernel/events/uprobes.c (ffffffff811aa5c5)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - kernel/events/uprobes.c:uprobe_end_dup_mmap
  

  In fs/super.c (ffffffff81248338)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - fs/super.c:__sb_end_write
  

  In fs/exec.c (ffffffff8124ce77)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  

  In fs/locks.c (ffffffff812a414c)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - fs/locks.c:locks_remove_file
    - fs/locks.c:fcntl_getlease
    - fs/locks.c:__break_lease
    - fs/locks.c:__break_lease
    - fs/locks.c:posix_lock_inode
    - fs/locks.c:flock_lock_inode
  

  In fs/ext4/inode.c (ffffffff812df156)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - fs/ext4/inode.c:ext4_writepages
  

• In 4.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/fork.c (ffffffff81082721)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  

  In kernel/cpu.c (ffffffff810866e5)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - kernel/cpu.c:__cpuhp_remove_state
    - kernel/cpu.c:__cpuhp_state_remove_instance
    - kernel/cpu.c:__cpuhp_setup_state
    - kernel/cpu.c:__cpuhp_state_add_instance
  

  In kernel/signal.c (ffffffff81095b7a)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - kernel/signal.c:exit_signals
    - kernel/signal.c:exit_signals
  

  In kernel/events/uprobes.c (ffffffff811b1b25)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - kernel/events/uprobes.c:uprobe_end_dup_mmap
  

  In mm/memory_hotplug.c (ffffffff8122c4db)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - mm/memory_hotplug.c:restore_online_page_callback
    - mm/memory_hotplug.c:set_online_page_callback
  

  In fs/super.c (ffffffff81253c44)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - fs/super.c:__sb_end_write
  

  In fs/exec.c (ffffffff81258e92)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  

  In fs/locks.c (ffffffff812b2d6e)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - fs/locks.c:locks_remove_file
    - fs/locks.c:fcntl_getlease
    - fs/locks.c:__break_lease
    - fs/locks.c:__break_lease
    - fs/locks.c:posix_lock_inode
    - fs/locks.c:flock_lock_inode
  

  In fs/ext4/inode.c (ffffffff8130334e)
  Location: include/linux/percpu-rwsem.h:85
  Inline: True
  Inline callers:
    - fs/ext4/inode.c:ext4_writepages
  

• In 4.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/fork.c (ffffffff81089522)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  

  In kernel/cpu.c (ffffffff8108d345)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - kernel/cpu.c:__cpuhp_remove_state
    - kernel/cpu.c:__cpuhp_state_remove_instance
    - kernel/cpu.c:__cpuhp_setup_state
    - kernel/cpu.c:__cpuhp_state_add_instance
  

  In kernel/signal.c (ffffffff8109c9ca)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - kernel/signal.c:exit_signals
    - kernel/signal.c:exit_signals
  

  In kernel/events/uprobes.c (ffffffff811c5739)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - kernel/events/uprobes.c:uprobe_end_dup_mmap
  

  In mm/memory_hotplug.c (ffffffff81247cbb)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - mm/memory_hotplug.c:restore_online_page_callback
    - mm/memory_hotplug.c:set_online_page_callback
  

  In fs/super.c (ffffffff81275cc8)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - fs/super.c:__sb_end_write
  

  In fs/exec.c (ffffffff8127b028)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  

  In fs/locks.c (ffffffff812d6810)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - fs/locks.c:locks_remove_file
    - fs/locks.c:fcntl_getlease
    - fs/locks.c:__break_lease
    - fs/locks.c:__break_lease
    - fs/locks.c:posix_lock_inode
    - fs/locks.c:flock_lock_inode
  

  In fs/ext4/inode.c (ffffffff81327d3e)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - fs/ext4/inode.c:ext4_writepages
  

• In 4.18: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/fork.c (ffffffff8108ad34)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  

  In kernel/cpu.c (ffffffff8108f4f9)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - kernel/cpu.c:cpus_read_unlock
  

  In kernel/signal.c (ffffffff810a0dca)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - kernel/signal.c:exit_signals
    - kernel/signal.c:exit_signals
  

  In kernel/events/uprobes.c (ffffffff811e5c79)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - kernel/events/uprobes.c:uprobe_end_dup_mmap
  

  In mm/memory_hotplug.c (ffffffff8126baf9)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - mm/memory_hotplug.c:put_online_mems
  

  In fs/super.c (ffffffff8129c228)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - fs/super.c:__sb_end_write
  

  In fs/exec.c (ffffffff812a270c)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  

  In fs/locks.c (ffffffff8130149e)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - fs/locks.c:locks_remove_file
    - fs/locks.c:fcntl_getlease
    - fs/locks.c:__break_lease
    - fs/locks.c:__break_lease
    - fs/locks.c:posix_lock_inode
    - fs/locks.c:flock_lock_inode
  

  In fs/ext4/inode.c (ffffffff8135023f)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - fs/ext4/inode.c:ext4_dax_writepages
    - fs/ext4/inode.c:ext4_writepages
  

• In 5.0: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/fork.c (ffffffff81092d34)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  

  In kernel/cpu.c (ffffffff810977f9)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - kernel/cpu.c:cpus_read_unlock
  

  In kernel/signal.c (ffffffff810a920a)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - kernel/signal.c:exit_signals
    - kernel/signal.c:exit_signals
  

  In kernel/events/uprobes.c (ffffffff811f67c9)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - kernel/events/uprobes.c:uprobe_end_dup_mmap
  

  In mm/memory_hotplug.c (ffffffff812803f9)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - mm/memory_hotplug.c:put_online_mems
  

  In fs/super.c (ffffffff812b1368)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - fs/super.c:__sb_end_write
  

  In fs/exec.c (ffffffff812b72fb)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  

  In fs/locks.c (ffffffff81316f8a)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - fs/locks.c:locks_remove_file
    - fs/locks.c:fcntl_getlease
    - fs/locks.c:__break_lease
    - fs/locks.c:__break_lease
    - fs/locks.c:posix_lock_inode
    - fs/locks.c:flock_lock_inode
  

  In fs/ext4/inode.c (ffffffff8136859f)
  Location: include/linux/percpu-rwsem.h:86
  Inline: True
  Inline callers:
    - fs/ext4/inode.c:ext4_dax_writepages
    - fs/ext4/inode.c:ext4_writepages
  

• 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: Absent ⚠️

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