rcu: Define rcu_all_qs() only in !PREEMPT builds

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Now that rcu_all_qs() is used only in !PREEMPT builds, move it to
tree_plugin.h so that it is defined only in those builds.  This in
turn means that rcu_momentary_dyntick_idle() is only used in !PREEMPT
builds, but it is simply marked __maybe_unused in order to keep it
near the rest of the dyntick-idle code.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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This commit is contained in:

Paul E. McKenney 2018-07-10 14:00:14 -07:00

parent 4d232dfe1d

commit 395a2f097e

3 changed files with 42 additions and 40 deletions

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2

include/linux/rcutree.h

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41

kernel/rcu/tree.c

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39

kernel/rcu/tree_plugin.h

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