Commit-ID: 5a43b88e98eaca88fa12abcacd0000adc879dd2c
Gitweb: http://git.kernel.org/tip/5a43b88e98eaca88fa12abcacd0000adc879dd2c
Author: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
AuthorDate: Wed, 24 Dec 2014 17:55:28 +0800
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Tue, 6 Jan 2015 11:01:17 -0800
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@xxxxxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
init/Kconfig | 2 --
kernel/rcu/tree.h | 1 -
2 files changed, 3 deletions(-)
diff --git a/init/Kconfig b/init/Kconfig
index 9afb971..39b4313 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 cb59086..41860b9 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
--
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