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| author | Paul E. McKenney <paulmck@kernel.org> | 2021-09-27 14:30:20 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2021-11-30 17:24:47 -0800 |
| commit | bc849e9192c75833a85f2e9376a265ab31f8eec7 (patch) | |
| tree | 829df056f90a6248407f39bca92f7503bfe33b1f /kernel/rcu/tree_plugin.h | |
| parent | e2c73a6860bdf54f2c6bf8cddc34ddc91a1343e1 (diff) | |
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.h | 16 |
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 |