函数逻辑报告 |
Source Code:kernel\rcu\rcu.h |
Create Date:2022-07-27 11:17:50 |
Last Modify:2022-05-19 07:39:19 | Copyright©Brick |
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函数名称:Return the state portion of a sequence number previously returned* by rcu_seq_snap() or rcu_seq_current().
函数原型:static inline int rcu_seq_state(unsigned long s)
返回类型:int
参数:
类型 | 参数 | 名称 |
---|---|---|
unsigned long | s |
41 | 返回:s按位与RCU_SEQ_STATE_MASK |
名称 | 描述 |
---|---|
check_init_srcu_struct | First-use initialization of statically allocated srcu_struct* structure |
cleanup_srcu_struct | leanup_srcu_struct - deconstruct a sleep-RCU structure*@ssp: structure to clean up.* Must invoke this after you are finished using a given srcu_struct that* was initialized via init_srcu_struct(), else you leak memory. |
srcu_gp_start | Start an SRCU grace period. |
srcu_gp_end | Note the end of an SRCU grace period. Initiates callback invocation* and starts a new grace period if needed.* The ->srcu_cb_mutex acquisition does not protect any data, but* instead prevents more than one grace period from starting while we |
srcu_funnel_gp_start | Funnel-locking scheme to scalably mediate many concurrent grace-period* requests |
srcu_advance_state | Core SRCU state machine. Push state bits of ->srcu_gp_seq* to SRCU_STATE_SCAN2, and invoke srcu_gp_end() when scan has* completed in that state. |
srcu_reschedule | |
rcu_gp_in_progress | Return true if an RCU grace period is in progress. The READ_ONCE()s* permit this function to be invoked without holding the root rcu_node* structure's ->lock, but of course results can be subject to change. |
rcu_start_this_gp | _start_this_gp - Request the start of a particular grace period*@rnp_start: The leaf node of the CPU from which to start |
rcu_advance_cbs_nowake | Move and classify callbacks, but only if doing so won't require* that the RCU grace-period kthread be awakened. |
rcu_seq_start | Adjust sequence number for start of update-side operation. |
rcu_seq_end | Adjust sequence number for end of update-side operation. |
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