Function report |
Source Code:kernel\rcu\tree_exp.h |
Create Date:2022-07-28 10:28:39 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Wait for the current expedited grace period to complete, and then* wake up everyone who piggybacked on the just-completed expedited* grace period. Also update all the ->exp_seq_rq counters as needed* in order to avoid counter-wrap problems.
Proto:static void rcu_exp_wait_wake(unsigned long s)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned long | s |
547 | mutex_lock( & Serialize wakeup. ) |
552 | If ULONG_CMP_LT(READ_ONCE(exp_seq_rq), s) Then |
555 | If ULONG_CMP_LT(exp_seq_rq, s) Then exp_seq_rq = s |
557 | spin_unlock( & exp_lock) |
559 | smp_mb() |
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