Re: [ANNOUNCE] 2.6.15-rc5-hrt2 - hrtimers based high resolution patches

[Ingo Molnar]

* Ingo Molnar <mingo@xxxxxxx> 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)
 
-
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