linux-kernel - [PATCH 1/1] x86 idle: APM requires pm_idle/default

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Date:	Wed,  8 Jun 2011 13:51:26 +0100
From:	Andy Whitcroft <apw@...onical.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Cc:	Andy Whitcroft <apw@...onical.com>,
	Len Brown <len.brown@...el.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 1/1] x86 idle: APM requires pm_idle/default_idle unconditionally when a module

The commit below removed the export for pm_idle/default_idle unless the
apm module was modularised and CONFIG_APM_CPU_IDLE was set.  The apm
module uses pm_idle/default_idle unconditionally, CONFIG_APM_CPU_IDLE
only affects the bios idle threshold.  Adjust the export accordingly.

    commit 06ae40ce073daf233607a3c54a489f2c1e44683e
    Author: Len Brown <len.brown@...el.com>
    Date:   Fri Apr 1 15:28:09 2011 -0400

	x86 idle: EXPORT_SYMBOL(default_idle, pm_idle) only when APM demands it

Signed-off-by: Andy Whitcroft <apw@...onical.com>
---
 arch/x86/kernel/process.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 2e4928d..b8265d0 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -337,7 +337,7 @@ 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)
+#if defined(CONFIG_APM_MODULE)
 EXPORT_SYMBOL(pm_idle);
 #endif
 
@@ -399,7 +399,7 @@ void default_idle(void)
 		cpu_relax();
 	}
 }
-#if defined(CONFIG_APM_MODULE) && defined(CONFIG_APM_CPU_IDLE)
+#if defined(CONFIG_APM_MODULE)
 EXPORT_SYMBOL(default_idle);
 #endif
 
-- 
1.7.4.1

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