linux-kernel - [tip:perf/core] stopmachine: Define __stop_machine when CONFIG_STOP

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Message-ID: <tip-087a4eb55971dfcc8df18312faf9393d0a479f3a@git.kernel.org>
Date:	Thu, 14 Oct 2010 07:40:44 GMT
From:	tip-bot for Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	rusty@...tcorp.com.au, peterz@...radead.org, ananth@...ibm.com,
	masami.hiramatsu.pt@...achi.com, tj@...nel.org, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:perf/core] stopmachine: Define __stop_machine when CONFIG_STOP_MACHINE=n

Commit-ID:  087a4eb55971dfcc8df18312faf9393d0a479f3a
Gitweb:     http://git.kernel.org/tip/087a4eb55971dfcc8df18312faf9393d0a479f3a
Author:     Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
AuthorDate: Thu, 14 Oct 2010 12:10:30 +0900
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 14 Oct 2010 08:55:28 +0200

stopmachine: Define __stop_machine when CONFIG_STOP_MACHINE=n

Define dummy __stop_machine() function even when
CONFIG_STOP_MACHINE=n. This getcpu-required version of
stop_machine() will be used from poke_text_smp().

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Acked-by: Tejun Heo <tj@...nel.org>
Cc: Rusty Russell <rusty@...tcorp.com.au>
Cc: Ananth N Mavinakayanahalli <ananth@...ibm.com>
Cc: 2nddept-manager@....hitachi.co.jp
Cc: Peter Zijlstra <peterz@...radead.org>
LKML-Reference: <20101014031030.4100.34156.stgit@...236.sdl.hitachi.co.jp>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 include/linux/stop_machine.h |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index 6b524a0..1808960 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -126,8 +126,8 @@ int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus);
 
 #else	 /* CONFIG_STOP_MACHINE && CONFIG_SMP */
 
-static inline int stop_machine(int (*fn)(void *), void *data,
-			       const struct cpumask *cpus)
+static inline int __stop_machine(int (*fn)(void *), void *data,
+				 const struct cpumask *cpus)
 {
 	int ret;
 	local_irq_disable();
@@ -136,5 +136,11 @@ static inline int stop_machine(int (*fn)(void *), void *data,
 	return ret;
 }
 
+static inline int stop_machine(int (*fn)(void *), void *data,
+			       const struct cpumask *cpus)
+{
+	return __stop_machine(fn, data, cpus);
+}
+
 #endif	/* CONFIG_STOP_MACHINE && CONFIG_SMP */
 #endif	/* _LINUX_STOP_MACHINE */
--
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