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rcu-tasks: Update comments to cond_resched_tasks_rcu_qs() 

The cond_resched_rcu_qs() function no longer exists, despite being mentioned
several times in kernel/rcu/tasks.h.  This commit therefore updates it to
the current cond_resched_tasks_rcu_qs().

Reported-by: Neeraj Upadhyay <neeraju@codeaurora.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2021-09-15 09:24:18 -07:00
parent 46aa886c48
commit 8af9e2c782
1 changed files with 3 additions and 3 deletions
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6
kernel/rcu/tasks.h
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@ -368,7 +368,7 @@ static void rcu_tasks_wait_gp(struct rcu_tasks *rtp)
//////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////
// //
// Simple variant of RCU whose quiescent states are voluntary context // Simple variant of RCU whose quiescent states are voluntary context
// switch, cond_resched_rcu_qs(), user-space execution, and idle. // switch, cond_resched_tasks_rcu_qs(), user-space execution, and idle.
// As such, grace periods can take one good long time. There are no // As such, grace periods can take one good long time. There are no
// read-side primitives similar to rcu_read_lock() and rcu_read_unlock() // read-side primitives similar to rcu_read_lock() and rcu_read_unlock()
// because this implementation is intended to get the system into a safe // because this implementation is intended to get the system into a safe
@ -539,7 +539,7 @@ DEFINE_RCU_TASKS(rcu_tasks, rcu_tasks_wait_gp, call_rcu_tasks, "RCU Tasks");
* period elapses, in other words after all currently executing RCU * period elapses, in other words after all currently executing RCU
* read-side critical sections have completed. call_rcu_tasks() assumes * read-side critical sections have completed. call_rcu_tasks() assumes
* that the read-side critical sections end at a voluntary context * that the read-side critical sections end at a voluntary context
* switch (not a preemption!), cond_resched_rcu_qs(), entry into idle, * switch (not a preemption!), cond_resched_tasks_rcu_qs(), entry into idle,
* or transition to usermode execution. As such, there are no read-side * or transition to usermode execution. As such, there are no read-side
* primitives analogous to rcu_read_lock() and rcu_read_unlock() because * primitives analogous to rcu_read_lock() and rcu_read_unlock() because
* this primitive is intended to determine that all tasks have passed * this primitive is intended to determine that all tasks have passed
@ -677,7 +677,7 @@ DEFINE_RCU_TASKS(rcu_tasks_rude, rcu_tasks_rude_wait_gp, call_rcu_tasks_rude,
* period elapses, in other words after all currently executing RCU * period elapses, in other words after all currently executing RCU
* read-side critical sections have completed. call_rcu_tasks_rude() * read-side critical sections have completed. call_rcu_tasks_rude()
* assumes that the read-side critical sections end at context switch, * assumes that the read-side critical sections end at context switch,
* cond_resched_rcu_qs(), or transition to usermode execution (as * cond_resched_tasks_rcu_qs(), or transition to usermode execution (as
* usermode execution is schedulable). As such, there are no read-side * usermode execution is schedulable). As such, there are no read-side
* primitives analogous to rcu_read_lock() and rcu_read_unlock() because * primitives analogous to rcu_read_lock() and rcu_read_unlock() because
* this primitive is intended to determine that all tasks have passed * this primitive is intended to determine that all tasks have passed