DepSurf

Function: rcu_trc_cmpxchg_need_qs

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: Selective Inline ⚠️

  u8 rcu_trc_cmpxchg_need_qs(struct task_struct *t, u8 old, u8 new);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/rcu/update.c (ffffffff811abdaa)
  Location: kernel/rcu/tasks.h:1255
  Inline: True
  Inline callers:
    - kernel/rcu/update.c:trc_inspect_reader
    - kernel/rcu/update.c:rcu_read_unlock_trace_special
  Direct callers:
    - kernel/rcu/update.c:check_all_holdout_tasks_trace
    - kernel/rcu/update.c:check_all_holdout_tasks_trace
    - kernel/rcu/update.c:rcu_tasks_trace_pregp_step
    - kernel/rcu/update.c:rcu_tasks_trace_pregp_step
    - kernel/rcu/update.c:trc_inspect_reader
    - kernel/rcu/update.c:trc_read_check_handler
    - kernel/rcu/update.c:trc_read_check_handler
    - kernel/rcu/update.c:exit_tasks_rcu_finish
    - kernel/rcu/tree.c:rcu_note_context_switch
    - kernel/rcu/tree.c:kfree_rcu_work
    - kernel/rcu/tree.c:kfree_rcu_work
    - kernel/rcu/tree.c:force_qs_rnp
    - kernel/rcu/tree.c:rcu_sched_clock_irq
    - kernel/rcu/tree.c:rcu_do_batch
    - kernel/rcu/tree.c:rcu_gp_kthread
    - kernel/rcu/tree.c:rcu_gp_cleanup
    - kernel/rcu/tree.c:rcu_gp_fqs_loop
    - kernel/rcu/tree.c:rcu_gp_fqs_loop
    - kernel/rcu/tree.c:rcu_gp_init
    - kernel/rcu/tree.c:rcu_softirq_qs
  

  Symbols:

  ffffffff811a8c30-ffffffff811a8c7a: rcu_trc_cmpxchg_need_qs (STB_GLOBAL)
  

• In 6.5: Selective Inline ⚠️

  u8 rcu_trc_cmpxchg_need_qs(struct task_struct *t, u8 old, u8 new);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/rcu/update.c (ffffffff811bdcca)
  Location: kernel/rcu/tasks.h:1292
  Inline: True
  Inline callers:
    - kernel/rcu/update.c:trc_inspect_reader
    - kernel/rcu/update.c:rcu_read_unlock_trace_special
  Direct callers:
    - kernel/rcu/update.c:check_all_holdout_tasks_trace
    - kernel/rcu/update.c:check_all_holdout_tasks_trace
    - kernel/rcu/update.c:rcu_tasks_trace_pregp_step
    - kernel/rcu/update.c:rcu_tasks_trace_pregp_step
    - kernel/rcu/update.c:trc_inspect_reader
    - kernel/rcu/update.c:trc_read_check_handler
    - kernel/rcu/update.c:trc_read_check_handler
    - kernel/rcu/update.c:exit_tasks_rcu_finish
    - kernel/rcu/tree.c:rcu_note_context_switch
    - kernel/rcu/tree.c:kvfree_rcu_list
    - kernel/rcu/tree.c:kvfree_rcu_bulk
    - kernel/rcu/tree.c:force_qs_rnp
    - kernel/rcu/tree.c:rcu_sched_clock_irq
    - kernel/rcu/tree.c:rcu_do_batch
    - kernel/rcu/tree.c:rcu_gp_kthread
    - kernel/rcu/tree.c:rcu_gp_cleanup
    - kernel/rcu/tree.c:rcu_gp_fqs_loop
    - kernel/rcu/tree.c:rcu_gp_fqs_loop
    - kernel/rcu/tree.c:rcu_gp_init
    - kernel/rcu/tree.c:rcu_softirq_qs
    - kernel/trace/trace_osnoise.c:osnoise_sleep
  

  Symbols:

  ffffffff811ba980-ffffffff811ba9ca: rcu_trc_cmpxchg_need_qs (STB_GLOBAL)
  

• In 6.8: Selective Inline ⚠️

  u8 rcu_trc_cmpxchg_need_qs(struct task_struct *t, u8 old, u8 new);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/rcu/update.c (ffffffff811ce1ea)
  Location: kernel/rcu/tasks.h:1408
  Inline: True
  Inline callers:
    - kernel/rcu/update.c:trc_inspect_reader
    - kernel/rcu/update.c:rcu_read_unlock_trace_special
  Direct callers:
    - kernel/rcu/update.c:check_all_holdout_tasks_trace
    - kernel/rcu/update.c:check_all_holdout_tasks_trace
    - kernel/rcu/update.c:rcu_tasks_trace_pregp_step
    - kernel/rcu/update.c:rcu_tasks_trace_pregp_step
    - kernel/rcu/update.c:trc_inspect_reader
    - kernel/rcu/update.c:trc_read_check_handler
    - kernel/rcu/update.c:trc_read_check_handler
    - kernel/rcu/update.c:exit_tasks_rcu_finish
    - kernel/rcu/tree.c:rcu_note_context_switch
    - kernel/rcu/tree.c:rcu_nocb_cb_kthread
    - kernel/rcu/tree.c:rcu_nocb_gp_kthread
    - kernel/rcu/tree.c:kvfree_rcu_list
    - kernel/rcu/tree.c:kvfree_rcu_bulk
    - kernel/rcu/tree.c:force_qs_rnp
    - kernel/rcu/tree.c:rcu_sched_clock_irq
    - kernel/rcu/tree.c:rcu_do_batch
    - kernel/rcu/tree.c:rcu_gp_kthread
    - kernel/rcu/tree.c:rcu_gp_cleanup
    - kernel/rcu/tree.c:rcu_gp_fqs_loop
    - kernel/rcu/tree.c:rcu_gp_fqs_loop
    - kernel/rcu/tree.c:rcu_gp_init
    - kernel/rcu/tree.c:rcu_softirq_qs
    - kernel/trace/trace_osnoise.c:osnoise_sleep
  

  Symbols:

  ffffffff811ca910-ffffffff811ca95a: rcu_trc_cmpxchg_need_qs (STB_GLOBAL)
  

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 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅