DepSurf

Struct: workqueue_struct

Status

Regular

• In 4.4: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 4.8: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 4.10: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 4.13: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 4.15: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 4.18: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 5.0: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 5.3: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 5.4: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 5.8: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 5.11: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 5.13: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 5.15: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 5.19: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 6.2: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 6.5: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In 6.8: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue **cpu_pwq;
  };
  

Arch

• In arm64: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In armhf: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In ppc64el: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In riscv64: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

Flavor

• In aws: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In azure: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In gcp: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

• In lowlatency: ✅

  struct workqueue_struct {
      struct list_head pwqs;
      struct list_head list;
      struct mutex mutex;
      int work_color;
      int flush_color;
      atomic_t nr_pwqs_to_flush;
      struct wq_flusher *first_flusher;
      struct list_head flusher_queue;
      struct list_head flusher_overflow;
      struct list_head maydays;
      struct worker *rescuer;
      int nr_drainers;
      int saved_max_active;
      struct workqueue_attrs *unbound_attrs;
      struct pool_workqueue *dfl_pwq;
      struct wq_device *wq_dev;
      char name[24];
      struct callback_head rcu;
      unsigned int flags;
      struct pool_workqueue *cpu_pwqs;
      struct pool_workqueue * numa_pwq_tbl[0];
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Field added. struct pool_workqueue **cpu_pwq
  • Field removed. struct pool_workqueue *cpu_pwqs
  • Field removed. struct pool_workqueue * numa_pwq_tbl[0]

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 ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅