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rcu: Improve RCU-tasks naming and comments

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The naming and comments associated with some RCU-tasks code make
the faulty assumption that context switches due to cond_resched()
are voluntary.  As several people pointed out, this is not the case.
This commit therefore updates function names and comments to better
reflect current reality.

Reported-by: Byungchul Park <byungchul.park@lge.com>
Reported-by: Joel Fernandes <joel@joelfernandes.org>
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2018-05-14 13:52:27 -07:00
parent a7538352da
commit 6f56f714db
4 changed files with 22 additions and 21 deletions
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2
include/linux/rcutiny.h
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@ -93,7 +93,7 @@ static inline void kfree_call_rcu(struct rcu_head *head,
#define rcu_note_context_switch(preempt) \
do { \
rcu_sched_qs(); \
rcu_note_voluntary_context_switch_lite(current); \
rcu_tasks_qs(current); \
} while (0)
static inline int rcu_needs_cpu(u64 basemono, u64 *nextevt)