linux-kernel - [PATCH] hrtimer: splitout peek ahead functionality, fix

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Message-ID: <20090105131334.GA11254@elte.hu>
Date:	Mon, 5 Jan 2009 14:13:34 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>
Subject: [PATCH] hrtimer: splitout peek ahead functionality, fix


* Ingo Molnar <mingo@...e.hu> wrote:

> 
> * Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> 
> > Please consider for .29.
> 
> picked them up into tip/timers/urgent:
> 
>  e3f1d88: hrtimer: fixup comments
>  a6037b6: hrtimer: fix recursion deadlock by re-introducing the softirq
>  731a55b: hrtimer: simplify hotplug migration
>  d5fd43c: hrtimer: fix HOTPLUG_CPU=n compile warning
>  8bdec95: hrtimer: splitout peek ahead functionality

i needed the small fixlet below, for !HIGH_RES_TIMERS.

	Ingo

-------------->
>From 82c5b7b527ccc4b5d3cf832437e842f9d2920a79 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@...e.hu>
Date: Mon, 5 Jan 2009 14:11:10 +0100
Subject: [PATCH] hrtimer: splitout peek ahead functionality, fix

Impact: build fix on !CONFIG_HIGH_RES_TIMERS

Fix:

  kernel/hrtimer.c:1586: error: implicit declaration of function '__hrtimer_peek_ahead_timers'

Signen-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/hrtimer.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index aa024f2..1455b76 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1268,7 +1268,11 @@ static void run_hrtimer_softirq(struct softirq_action *h)
 	hrtimer_peek_ahead_timers();
 }
 
-#endif	/* CONFIG_HIGH_RES_TIMERS */
+#else /* CONFIG_HIGH_RES_TIMERS */
+
+static inline void __hrtimer_peek_ahead_timers(void) { }
+
+#endif	/* !CONFIG_HIGH_RES_TIMERS */
 
 /*
  * Called from timer softirq every jiffy, expire hrtimers:
--
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