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The rcu_gp_kthread_wake() refuses to do a wakeup unless at least one of the ->gp_flags bits are set, which normally will not be the case when the last quiescent state is reported. This results in up to a 3-jiffy delay given default Kconfig settings. This commit therefore has rcu_report_qs_rsp() set RCU_GP_FLAG_FQS before invoking rcu_gp_kthread_wake() in order to force a more immediate wakeup at grace-period end, thus reducing grace-period latencies. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> |
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Makefile | ||
rcu.h | ||
rcutorture.c | ||
srcu.c | ||
tiny_plugin.h | ||
tiny.c | ||
tree_plugin.h | ||
tree_trace.c | ||
tree.c | ||
tree.h | ||
update.c |