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authorLai Jiangshan <laijs@cn.fujitsu.com>2014-12-24 17:55:28 +0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-01-06 11:01:17 -0800
commit5a43b88e98eaca88fa12abcacd0000adc879dd2c (patch)
tree30c169195f7a65c68256e43fecd2d12b0149c0b5
parent41050a009640f9f330a5b916563ca7faf853a98c (diff)
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rcu: Remove "select IRQ_WORK" from config TREE_RCU
The 48a7639ce80c ("rcu: Make callers awaken grace-period kthread") removed the irq_work_queue(), so the TREE_RCU doesn't need irq work any more. This commit therefore updates RCU's Kconfig and Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
-rw-r--r--init/Kconfig2
-rw-r--r--kernel/rcu/tree.h1
2 files changed, 0 insertions, 3 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 9afb971497f4..39b4313c6ca6 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -470,7 +470,6 @@ choice
config TREE_RCU
bool "Tree-based hierarchical RCU"
depends on !PREEMPT && SMP
- select IRQ_WORK
help
This option selects the RCU implementation that is
designed for very large SMP system with hundreds or
@@ -480,7 +479,6 @@ config TREE_RCU
config PREEMPT_RCU
bool "Preemptible tree-based hierarchical RCU"
depends on PREEMPT
- select IRQ_WORK
help
This option selects the RCU implementation that is
designed for very large SMP systems with hundreds or
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index cb5908672f11..41860b9a04a2 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -27,7 +27,6 @@
#include <linux/threads.h>
#include <linux/cpumask.h>
#include <linux/seqlock.h>
-#include <linux/irq_work.h>
/*
* Define shape of hierarchy based on NR_CPUS, CONFIG_RCU_FANOUT, and