linux-kernel - [PATCH 2/7] oprofile/x86: remove CONFIG

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Date:	Thu, 6 May 2010 15:26:09 +0200
From:	Robert Richter <robert.richter@....com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Andi Kleen <andi@...stfloor.org>,
	LKML <linux-kernel@...r.kernel.org>,
	oprofile-list <oprofile-list@...ts.sourceforge.net>,
	Robert Richter <robert.richter@....com>
Subject: [PATCH 2/7] oprofile/x86: remove CONFIG_SMP macros

CPU notifier register functions also exist if CONFIG_SMP is
disabled. This change is part of hotplug code rework and also
necessary for later patches.

Cc: Andi Kleen <andi@...stfloor.org>
Signed-off-by: Robert Richter <robert.richter@....com>
---
 arch/x86/oprofile/nmi_int.c |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 2458204..c5df8ee 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -471,7 +471,6 @@ static int nmi_create_files(struct super_block *sb, struct dentry *root)
 	return 0;
 }
 
-#ifdef CONFIG_SMP
 static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action,
 				 void *data)
 {
@@ -491,7 +490,6 @@ static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action,
 static struct notifier_block oprofile_cpu_nb = {
 	.notifier_call = oprofile_cpu_notifier
 };
-#endif
 
 #ifdef CONFIG_PM
 
@@ -701,9 +699,8 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 		return -ENODEV;
 	}
 
-#ifdef CONFIG_SMP
 	register_cpu_notifier(&oprofile_cpu_nb);
-#endif
+
 	/* default values, can be overwritten by model */
 	ops->create_files	= nmi_create_files;
 	ops->setup		= nmi_setup;
@@ -732,9 +729,7 @@ void op_nmi_exit(void)
 {
 	if (using_nmi) {
 		exit_sysfs();
-#ifdef CONFIG_SMP
 		unregister_cpu_notifier(&oprofile_cpu_nb);
-#endif
 	}
 	if (model->exit)
 		model->exit();
-- 
1.7.0.3


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