Messages in this thread | | | Date | Thu, 04 Aug 2011 12:05:12 -0700 | From | Fernando Lopez-Lezcano <> | Subject | Re: [ANNOUNCE] 3.0-rt6 |
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Was going to try this but it appears it is in rt7, trying to build rt7 fails with:
ERROR: "of_find_property" [drivers/tty/serial/of_serial.ko] undefined! ERROR: "of_find_property" [drivers/hwmon/ltc4245.ko] undefined!
-- Fernando
On 08/04/2011 02:42 AM, Peter Zijlstra wrote: > 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; >
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