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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-11-05 05:51:43 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-12-04 10:29:00 -0800
commitdc259accec0845ddf56e87337c0b211026eca0ae (patch)
tree9a2fdb0632650df4937666fd3054866325540fa4 /Documentation/RCU/Design/Data-Structures
parentf2b1760aedba1d8394636ba31b9e864e82527528 (diff)
rcu: Account for rcu_all_qs() in cond_resched()
If cond_resched() returns false, then it has already invoked rcu_all_qs(). This is also invoked (now redundantly) by rcu_note_voluntary_context_switch(). This commit therefore changes cond_resched_rcu_qs() to invoke rcu_note_voluntary_context_switch_lite() instead of rcu_note_voluntary_context_switch() to avoid the redundant invocation of rcu_all_qs(). Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'Documentation/RCU/Design/Data-Structures')
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