Function report |
Source Code:kernel\rcu\rcu.h |
Create Date:2022-07-28 10:17:30 |
| Last Modify:2022-05-19 07:39:19 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Adjust sequence number for start of update-side operation.
Proto:static inline void rcu_seq_start(unsigned long *sp)
Type:void
Parameter:
| Type | Parameter | Name |
|---|---|---|
| unsigned long * | sp |
| 57 | WRITE_ONCE( * sp, * sp + 1) |
| 58 | smp_mb() |
| 59 | WARN_ON_ONCE(Return the state portion of a sequence number previously returned* by rcu_seq_snap() or rcu_seq_current(). != 1) |
| Name | Describe |
|---|---|
| srcu_gp_start | Start an SRCU grace period. |
| srcu_barrier | srcu_barrier - Wait until all in-flight call_srcu() callbacks complete.*@ssp: srcu_struct on which to wait for in-flight callbacks. |
| rcu_gp_init | Initialize a new grace period. Return false if no grace period required. |
| rcu_barrier | _barrier - Wait until all in-flight call_rcu() callbacks complete |
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