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authorPaul E. McKenney <paulmck@kernel.org>2021-09-28 00:30:20 +0300
committerPaul E. McKenney <paulmck@kernel.org>2021-12-01 04:24:47 +0300
commitbc849e9192c75833a85f2e9376a265ab31f8eec7 (patch)
tree829df056f90a6248407f39bca92f7503bfe33b1f /kernel/rcu/tree_plugin.h
parente2c73a6860bdf54f2c6bf8cddc34ddc91a1343e1 (diff)
downloadlinux-bc849e9192c75833a85f2e9376a265ab31f8eec7.tar.xz
rcu: Move rcu_needs_cpu() to tree.c
Now that RCU_FAST_NO_HZ is no more, there is but one implementation of the rcu_needs_cpu() function. This commit therefore moves this function from kernel/rcu/tree_plugin.c to kernel/rcu/tree.c. Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu/tree_plugin.h')
-rw-r--r--kernel/rcu/tree_plugin.h16
1 files changed, 0 insertions, 16 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 19f7d578cedb..0575757a0f8f 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -1252,22 +1252,6 @@ static void __init rcu_spawn_boost_kthreads(void)
#endif /* #else #ifdef CONFIG_RCU_BOOST */
/*
- * Check to see if any future non-offloaded RCU-related work will need
- * to be done by the current CPU, even if none need be done immediately,
- * returning 1 if so. This function is part of the RCU implementation;
- * it is -not- an exported member of the RCU API.
- *
- * Just check whether or not this CPU has non-offloaded RCU callbacks
- * queued.
- */
-int rcu_needs_cpu(u64 basemono, u64 *nextevt)
-{
- *nextevt = KTIME_MAX;
- return !rcu_segcblist_empty(&this_cpu_ptr(&rcu_data)->cblist) &&
- !rcu_rdp_is_offloaded(this_cpu_ptr(&rcu_data));
-}
-
-/*
* Is this CPU a NO_HZ_FULL CPU that should ignore RCU so that the
* grace-period kthread will do force_quiescent_state() processing?
* The idea is to avoid waking up RCU core processing on such a