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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Subject: [patch 3/8] cpuidle: Use kick_all_cpus_sync()
Date: Mon, 07 May 2012 17:59:48 -0000	[thread overview]
Message-ID: <20120507175652.119842173@linutronix.de> (raw)
In-Reply-To: 20120507175450.513667947@linutronix.de

[-- Attachment #1: cpuidle-use-kick_all_cpus_sync.patch --]
[-- Type: text/plain, Size: 1097 bytes --]

kick_all_cpus_sync() is the core implementation of cpu_idle_wait()
which is copied all over the arch code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 drivers/cpuidle/cpuidle.c |   13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

Index: tip/drivers/cpuidle/cpuidle.c
===================================================================
--- tip.orig/drivers/cpuidle/cpuidle.c
+++ tip/drivers/cpuidle/cpuidle.c
@@ -40,17 +40,6 @@ void disable_cpuidle(void)
 	off = 1;
 }
 
-#if defined(CONFIG_ARCH_HAS_CPU_IDLE_WAIT)
-static void cpuidle_kick_cpus(void)
-{
-	cpu_idle_wait();
-}
-#elif defined(CONFIG_SMP)
-# error "Arch needs cpu_idle_wait() equivalent here"
-#else /* !CONFIG_ARCH_HAS_CPU_IDLE_WAIT && !CONFIG_SMP */
-static void cpuidle_kick_cpus(void) {}
-#endif
-
 static int __cpuidle_register_device(struct cpuidle_device *dev);
 
 static inline int cpuidle_enter(struct cpuidle_device *dev,
@@ -186,7 +175,7 @@ void cpuidle_uninstall_idle_handler(void
 {
 	if (enabled_devices) {
 		initialized = 0;
-		cpuidle_kick_cpus();
+		kick_all_cpus_sync();
 	}
 }
 



  parent reply	other threads:[~2012-05-07 17:59 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-07 17:59 [patch 0/8] cpuidle: Fix and replace cpu_idle_wait copied code Thomas Gleixner
2012-05-07 17:59 ` [patch 1/8] powerpc: Fix broken cpu_idle_wait() implementation Thomas Gleixner
2012-05-08 12:25   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-07 17:59 ` Thomas Gleixner [this message]
2012-05-08 12:26   ` [tip:smp/hotplug] cpuidle: Use kick_all_cpus_sync() tip-bot for Thomas Gleixner
2012-05-07 17:59 ` [patch 2/8] smp: Implement kick_all_cpus_sync() Thomas Gleixner
2012-05-08 12:26   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-07 17:59 ` [patch 4/8] x86: Use kick_all_cpus_sync() Thomas Gleixner
2012-05-08 12:27   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-07 17:59 ` [patch 5/8] arm: Remove unused cpu_idle_wait() Thomas Gleixner
2012-05-08 12:28   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-07 17:59 ` [patch 7/8] ia64: " Thomas Gleixner
2012-05-08 12:29   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-07 17:59 ` [patch 6/8] powerpc: " Thomas Gleixner
2012-05-08 12:30   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-07 17:59 ` [patch 8/8] sh: Remove cpu_idle_wait() Thomas Gleixner
2012-05-08 12:31   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-07 20:06 ` [patch 0/8] cpuidle: Fix and replace cpu_idle_wait copied code Peter Zijlstra

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