mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: tip-bot for Thomas Gleixner <tglx@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org,
	peterz@infradead.org, tglx@linutronix.de
Subject: [tip:smp/hotplug] cpuidle: Use kick_all_cpus_sync()
Date: Tue, 8 May 2012 05:26:57 -0700	[thread overview]
Message-ID: <tip-4a1625133d4faaefcec0dc175941f49b186918d9@git.kernel.org> (raw)
In-Reply-To: <20120507175652.119842173@linutronix.de>

Commit-ID:  4a1625133d4faaefcec0dc175941f49b186918d9
Gitweb:     http://git.kernel.org/tip/4a1625133d4faaefcec0dc175941f49b186918d9
Author:     Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Mon, 7 May 2012 17:59:48 +0000
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 8 May 2012 12:35:06 +0200

cpuidle: Use kick_all_cpus_sync()

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>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20120507175652.119842173@linutronix.de
---
 drivers/cpuidle/cpuidle.c |   13 +------------
 1 files changed, 1 insertions(+), 12 deletions(-)

diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 2f0083a..d90519c 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/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();
 	}
 }
 

  reply	other threads:[~2012-05-08 12:27 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 ` [patch 3/8] cpuidle: Use kick_all_cpus_sync() Thomas Gleixner
2012-05-08 12:26   ` tip-bot for Thomas Gleixner [this message]
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 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 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 7/8] ia64: Remove unused cpu_idle_wait() 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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=tip-4a1625133d4faaefcec0dc175941f49b186918d9@git.kernel.org \
    --to=tglx@linutronix.de \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tip-commits@vger.kernel.org \
    --cc=mingo@kernel.org \
    --cc=peterz@infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

Powered by JetHome