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From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: tglx@linutronix.de, john stultz <johnstul@us.ibm.com>,
	Roman Zippel <zippel@linux-m68k.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [ANNOUNCE] 2.6.15-rc5-hrt2 - hrtimers based high resolution patches
Date: Wed, 14 Dec 2005 09:43:33 +0100	[thread overview]
Message-ID: <20051214084333.GA20284@elte.hu> (raw)
In-Reply-To: <20051214084019.GA18708@elte.hu>


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

> hm, in that case it should be base->running that protects against this 
> case. Did you run an UP PREEMPT_RT kernel? In that case could you 
> check whether the fix below resolves the crash too?

try the patch below instead. (Thomas pointed out that the correct 
dependency in this case is PREEMPT_SOFTIRQS)

	Ingo

Index: linux/kernel/hrtimer.c
===================================================================
--- linux.orig/kernel/hrtimer.c
+++ linux/kernel/hrtimer.c
@@ -118,7 +118,7 @@ static DEFINE_PER_CPU(struct hrtimer_bas
  * Functions and macros which are different for UP/SMP systems are kept in a
  * single place
  */
-#ifdef CONFIG_SMP
+#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT_SOFTIRQS)
 
 #define set_curr_timer(b, t)		do { (b)->curr_timer = (t); } while (0)
 

  reply	other threads:[~2005-12-14  8:44 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-12 11:02 [ANNOUNCE] 2.6.15-rc5-hrt2 - hrtimers based high resolution patches Thomas Gleixner
2005-12-12 13:56 ` Steven Rostedt
2005-12-13 21:05 ` Steven Rostedt
2005-12-14  8:40   ` Ingo Molnar
2005-12-14  8:43     ` Ingo Molnar [this message]
2005-12-14 13:48       ` Steven Rostedt
2005-12-14 14:01         ` Thomas Gleixner
2005-12-14 14:01           ` Steven Rostedt
2005-12-14 15:43           ` [PATCH -RT] Add softirq waitqueue for CONFIG_PREEMPT_SOFTIRQ (was: Re: [ANNOUNCE] 2.6.15-rc5-hrt2 ...) Steven Rostedt
2005-12-14 16:17             ` Daniel Walker
2005-12-20 13:28             ` Ingo Molnar
2005-12-14 14:04         ` [ANNOUNCE] 2.6.15-rc5-hrt2 - hrtimers based high resolution patches Steven Rostedt
2005-12-14 19:28           ` Steven Rostedt
2006-01-10 23:59       ` Steven Rostedt
2006-01-12  2:14         ` Steven Rostedt
2006-01-12  2:51           ` [PATCH RT] fix or hrtimers (was: [ANNOUNCE] 2.6.15-rc5-hrt2 - hrtimers based high resolution patches) Steven Rostedt
2006-01-12 11:10             ` Steven Rostedt
2006-01-17 17:35         ` [ANNOUNCE] 2.6.15-rc5-hrt2 - hrtimers based high resolution patches Thomas Gleixner
2005-12-14 18:33 ` Jeff Carr
2005-12-15  0:41 ` Jeff Carr

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