linux-kernel - [PATCH 04/18] x86 idle: EXPORT_SYMBOL(default_idle, pm

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Date:	Sat, 02 Apr 2011 02:22:46 -0400
From:	Len Brown <lenb@...nel.org>
To:	linux-pm@...ts.linux-foundation.org
Cc:	linux-kernel@...r.kernel.org, Len Brown <len.brown@...el.com>,
	x86@...nel.org, Jiri Kosina <jkosina@...e.cz>
Subject: [PATCH 04/18] x86 idle: EXPORT_SYMBOL(default_idle,
 pm_idle) only when APM demands it

From: Len Brown <len.brown@...el.com>

In the long run, we don't want default_idle() or (pm_idle)() to
be exported outside of process.c.  Start by not exporting them
to modules, unless the APM build demands it.

cc: x86@...nel.org
cc: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Len Brown <len.brown@...el.com>
---
 arch/x86/kernel/process.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index ff45541..17b8771 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -340,7 +340,9 @@ EXPORT_SYMBOL(boot_option_idle_override);
  * Powermanagement idle function, if any..
  */
 void (*pm_idle)(void);
+#if defined(CONFIG_APM_MODULE) && defined(CONFIG_APM_CPU_IDLE)
 EXPORT_SYMBOL(pm_idle);
+#endif
 
 #ifdef CONFIG_X86_32
 /*
@@ -400,7 +402,7 @@ void default_idle(void)
 		cpu_relax();
 	}
 }
-#ifdef CONFIG_APM_MODULE
+#if defined(CONFIG_APM_MODULE) && defined(CONFIG_APM_CPU_IDLE)
 EXPORT_SYMBOL(default_idle);
 #endif
 
-- 
1.7.5.rc0

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