* cpu or grabbing pool->lock is enough for read access. If
* POOL_DISASSOCIATED is set, it's identical to L.
*
+ * K: Only modified by worker while holding pool->lock. Can be safely read by
+ * self, while holding pool->lock or from IRQ context if %current is the
+ * kworker.
+ *
+ * S: Only modified by worker self.
+ *
* A: wq_pool_attach_mutex protected.
*
* PL: wq_pool_mutex protected.
struct hlist_node hentry; /* L: while busy */
};
- struct work_struct *current_work; /* L: work being processed */
- work_func_t current_func; /* L: current_work's fn */
- struct pool_workqueue *current_pwq; /* L: current_work's pwq */
- unsigned int current_color; /* L: current_work's color */
- int sleeping; /* None */
+ struct work_struct *current_work; /* K: work being processed and its */
+ work_func_t current_func; /* K: function */
+ struct pool_workqueue *current_pwq; /* K: pwq */
+ unsigned int current_color; /* K: color */
+
+ int sleeping; /* S: is worker sleeping? */
/* used by the scheduler to determine a worker's last known identity */
- work_func_t last_func; /* L: last work's fn */
+ work_func_t last_func; /* K: last work's fn */
struct list_head scheduled; /* L: scheduled works */
struct list_head node; /* A: anchored at pool->workers */
/* A: runs through worker->node */
- unsigned long last_active; /* L: last active timestamp */
+ unsigned long last_active; /* K: last active timestamp */
unsigned int flags; /* X: flags */
int id; /* I: worker id */