lkml.org 
[lkml]   [2011]   [Aug]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
SubjectRe: [ANNOUNCE] 3.0-rt6
From
Date
On Wed, 2011-08-03 at 23:34 -0700, Fernando Lopez-Lezcano wrote:
> [ 117.026009] [<ffffffff814ef322>] _raw_spin_lock+0x45/0x79
> [ 117.026009] [<ffffffff8107b6f1>] ? __run_posix_cpu_timers+0x8f/0x353
> [ 117.026009] [<ffffffff8107b6f1>] __run_posix_cpu_timers+0x8f/0x353

I think its this one, could you confirm?

---
Index: linux-2.6/kernel/posix-cpu-timers.c
===================================================================
--- linux-2.6.orig/kernel/posix-cpu-timers.c
+++ linux-2.6/kernel/posix-cpu-timers.c
@@ -1288,10 +1288,11 @@ static inline int fastpath_timer_check(s
sig = tsk->signal;
if (sig->cputimer.running) {
struct task_cputime group_sample;
+ unsigned long flags;

- raw_spin_lock(&sig->cputimer.lock);
+ raw_spin_lock_irqsave(&sig->cputimer.lock, flags);
group_sample = sig->cputimer.cputime;
- raw_spin_unlock(&sig->cputimer.lock);
+ raw_spin_unlock_irqrestore(&sig->cputimer.lock, flags);

if (task_cputime_expired(&group_sample, &sig->cputime_expires))
return 1;


\
 
 \ /
  Last update: 2011-08-04 11:45    [W:0.117 / U:0.368 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site