rcu: Clean up flavor-related definitions and comments in rcupdate_wait.h
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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@ -33,17 +33,17 @@ do { \
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/**
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* synchronize_rcu_mult - Wait concurrently for multiple grace periods
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* @...: List of call_rcu() functions for the flavors to wait on.
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* @...: List of call_rcu() functions for different grace periods to wait on
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*
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* This macro waits concurrently for multiple flavors of RCU grace periods.
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* For example, synchronize_rcu_mult(call_rcu, call_rcu_sched) would wait
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* on concurrent RCU and RCU-sched grace periods. Waiting on a give SRCU
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* This macro waits concurrently for multiple types of RCU grace periods.
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* For example, synchronize_rcu_mult(call_rcu, call_rcu_tasks) would wait
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* on concurrent RCU and RCU-tasks grace periods. Waiting on a give SRCU
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* domain requires you to write a wrapper function for that SRCU domain's
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* call_srcu() function, supplying the corresponding srcu_struct.
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*
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* If Tiny RCU, tell _wait_rcu_gp() not to bother waiting for RCU
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* or RCU-sched, given that anywhere synchronize_rcu_mult() can be called
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* is automatically a grace period.
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* If Tiny RCU, tell _wait_rcu_gp() does not bother waiting for RCU,
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* given that anywhere synchronize_rcu_mult() can be called is automatically
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* a grace period.
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*/
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#define synchronize_rcu_mult(...) \
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_wait_rcu_gp(IS_ENABLED(CONFIG_TINY_RCU), __VA_ARGS__)
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