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faca5c2509
When there are excessive numbers of callbacks, and when either the corresponding no-CBs callback kthread is asleep or there is no more ready-to-invoke callbacks, and when least one callback is pending, __call_rcu_nocb_wake() will advance the callbacks, but refrain from awakening the corresponding no-CBs grace-period kthread. However, because rcu_advance_cbs_nowake() is used, it is possible (if a bit unlikely) that the needed advancement could not happen due to a grace period not being in progress. Plus there will always be at least one pending callback due to one having just now been enqueued. This commit therefore attempts to advance callbacks and awakens the no-CBs grace-period kthread when there are excessive numbers of callbacks posted and when the no-CBs callback kthread is not in a position to do anything helpful. Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> |
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| .. | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||
| rcu_segcblist.c | ||
| rcu_segcblist.h | ||
| rcu.h | ||
| rcuperf.c | ||
| rcutorture.c | ||
| srcutiny.c | ||
| srcutree.c | ||
| sync.c | ||
| tiny.c | ||
| tree_exp.h | ||
| tree_plugin.h | ||
| tree_stall.h | ||
| tree.c | ||
| tree.h | ||
| update.c | ||