website-struct

Struct: rcu_node

Status

Regular

• In 4.4: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gpnum;
      long unsigned int completed;
      long unsigned int qsmask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      long unsigned int n_tasks_boosted;
      long unsigned int n_exp_boosts;
      long unsigned int n_normal_boosts;
      long unsigned int n_balk_blkd_tasks;
      long unsigned int n_balk_exp_gp_tasks;
      long unsigned int n_balk_boost_tasks;
      long unsigned int n_balk_notblocked;
      long unsigned int n_balk_notyet;
      long unsigned int n_balk_nos;
      int need_future_gp[2];
      raw_spinlock_t fqslock;
      struct mutex exp_funnel_mutex;
  };
  

• In 4.8: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gpnum;
      long unsigned int completed;
      long unsigned int qsmask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      long unsigned int n_tasks_boosted;
      long unsigned int n_exp_boosts;
      long unsigned int n_normal_boosts;
      long unsigned int n_balk_blkd_tasks;
      long unsigned int n_balk_exp_gp_tasks;
      long unsigned int n_balk_boost_tasks;
      long unsigned int n_balk_notblocked;
      long unsigned int n_balk_notyet;
      long unsigned int n_balk_nos;
      int need_future_gp[2];
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
  };
  

• In 4.10: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gpnum;
      long unsigned int completed;
      long unsigned int qsmask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      long unsigned int n_tasks_boosted;
      long unsigned int n_exp_boosts;
      long unsigned int n_normal_boosts;
      long unsigned int n_balk_blkd_tasks;
      long unsigned int n_balk_exp_gp_tasks;
      long unsigned int n_balk_boost_tasks;
      long unsigned int n_balk_notblocked;
      long unsigned int n_balk_notyet;
      long unsigned int n_balk_nos;
      int need_future_gp[2];
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
  };
  

• In 4.13: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gpnum;
      long unsigned int completed;
      long unsigned int qsmask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      long unsigned int n_tasks_boosted;
      long unsigned int n_exp_boosts;
      long unsigned int n_normal_boosts;
      int need_future_gp[2];
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
  };
  

• In 4.15: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gpnum;
      long unsigned int completed;
      long unsigned int qsmask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      long unsigned int n_tasks_boosted;
      long unsigned int n_exp_boosts;
      long unsigned int n_normal_boosts;
      int need_future_gp[2];
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
  };
  

• In 4.18: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gpnum;
      long unsigned int completed;
      long unsigned int qsmask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      u8 need_future_gp[4];
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In 5.0: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In 5.3: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In 5.4: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In 5.8: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int cbovldmask;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In 5.11: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int ofl_seq;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int cbovldmask;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In 5.13: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int ofl_seq;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int cbovldmask;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In 5.15: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int ofl_seq;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int cbovldmask;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      long unsigned int n_boosts;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In 5.19: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int cbovldmask;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct mutex boost_kthread_mutex;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      long unsigned int n_boosts;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In 6.2: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int cbovldmask;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct mutex boost_kthread_mutex;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      long unsigned int n_boosts;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
      raw_spinlock_t exp_poll_lock;
      long unsigned int exp_seq_poll_rq;
      struct work_struct exp_poll_wq;
  };
  

• In 6.5: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int cbovldmask;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct mutex boost_kthread_mutex;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      long unsigned int n_boosts;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
      raw_spinlock_t exp_poll_lock;
      long unsigned int exp_seq_poll_rq;
      struct work_struct exp_poll_wq;
  };
  

• In 6.8: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int cbovldmask;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct mutex boost_kthread_mutex;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      long unsigned int n_boosts;
      struct swait_queue_head nocb_gp_wq[2];
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
      raw_spinlock_t exp_poll_lock;
      long unsigned int exp_seq_poll_rq;
      struct work_struct exp_poll_wq;
  };
  

Arch

• In arm64: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In armhf: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In ppc64el: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In riscv64: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

Flavor

• In aws: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In azure: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      struct swait_queue_head nocb_gp_wq[2];
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In gcp: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

• In lowlatency: ✅

  struct rcu_node {
      raw_spinlock_t lock;
      long unsigned int gp_seq;
      long unsigned int gp_seq_needed;
      long unsigned int completedqs;
      long unsigned int qsmask;
      long unsigned int rcu_gp_init_mask;
      long unsigned int qsmaskinit;
      long unsigned int qsmaskinitnext;
      long unsigned int expmask;
      long unsigned int expmaskinit;
      long unsigned int expmaskinitnext;
      long unsigned int ffmask;
      long unsigned int grpmask;
      int grplo;
      int grphi;
      u8 grpnum;
      u8 level;
      bool wait_blkd_tasks;
      struct rcu_node *parent;
      struct list_head blkd_tasks;
      struct list_head *gp_tasks;
      struct list_head *exp_tasks;
      struct list_head *boost_tasks;
      struct rt_mutex boost_mtx;
      long unsigned int boost_time;
      struct task_struct *boost_kthread_task;
      unsigned int boost_kthread_status;
      raw_spinlock_t fqslock;
      spinlock_t exp_lock;
      long unsigned int exp_seq_rq;
      wait_queue_head_t exp_wq[4];
      struct rcu_exp_work rew;
      bool exp_need_flush;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. spinlock_t exp_lock
  • Field added. long unsigned int exp_seq_rq
  • Field added. wait_queue_head_t exp_wq[4]
  • Field removed. struct mutex exp_funnel_mutex
• No changes between 4.8 and 4.10 ✅
• Changed between 4.10 and 4.13 ⚠️

  • Field removed. long unsigned int n_balk_blkd_tasks
  • Field removed. long unsigned int n_balk_exp_gp_tasks
  • Field removed. long unsigned int n_balk_boost_tasks
  • Field removed. long unsigned int n_balk_notblocked
  • Field removed. long unsigned int n_balk_notyet
  • Field removed. long unsigned int n_balk_nos
• Changed between 4.13 and 4.15 ⚠️

  • Field added. long unsigned int ffmask
• Changed between 4.15 and 4.18 ⚠️

  • Field added. struct rcu_exp_work rew
  • Field added. bool exp_need_flush
  • Field removed. long unsigned int n_tasks_boosted
  • Field removed. long unsigned int n_exp_boosts
  • Field removed. long unsigned int n_normal_boosts
  • Field type changed. int need_future_gp[2] ➡️ u8 need_future_gp[4]
• Changed between 4.18 and 5.0 ⚠️

  • Field added. long unsigned int gp_seq
  • Field added. long unsigned int gp_seq_needed
  • Field added. long unsigned int completedqs
  • Field added. long unsigned int rcu_gp_init_mask
  • Field removed. long unsigned int gpnum
  • Field removed. long unsigned int completed
  • Field removed. u8 need_future_gp[4]
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field added. long unsigned int cbovldmask
• Changed between 5.8 and 5.11 ⚠️

  • Field added. long unsigned int ofl_seq
• No changes between 5.11 and 5.13 ✅
• Changed between 5.13 and 5.15 ⚠️

  • Field added. long unsigned int n_boosts
• Changed between 5.15 and 5.19 ⚠️

  • Field added. struct mutex boost_kthread_mutex
  • Field removed. long unsigned int ofl_seq
• Changed between 5.19 and 6.2 ⚠️

  • Field added. raw_spinlock_t exp_poll_lock
  • Field added. long unsigned int exp_seq_poll_rq
  • Field added. struct work_struct exp_poll_wq
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Field added. struct swait_queue_head nocb_gp_wq[2]

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• Changed between generic and azure ⚠️

  • Field added. struct swait_queue_head nocb_gp_wq[2]
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅