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Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port

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hi Sebastian,
On 01/22/2016 05:04 PM, Grygorii Strashko wrote:
> On 01/22/2016 04:14 PM, Sebastian Andrzej Siewior wrote:
>> On 01/22/2016 02:34 PM, Grygorii Strashko wrote:
>>>> Do you still see it with the missing lazy bits? I don't see where this
>>>> could come from.
>>>>
>>>
>>> yep. I've tried it with and without changing _TIF_WORK_MASK
>>> Seems It's triggered by Virtual terminal keyboard_tasklet
>>
>> Just bootet my current v4.4 to cross check what you see and I have this:
>>
>> [    3.808273] clocksource: Switched to clocksource arch_sys_counter
>> [    3.851193] keyboard: kbd_init(1609)
>> [    3.861903] keyboard: kbd_bh(1201)
>> [    3.868322] keyboard: kbd_init(1612)
>> [    3.868581] NET: Registered protocol family 2
>>
>> So. No backtrace here. According to the full dmesg I should have all
>> CPUs up by now. kbd_bh is comming from ksoftirqd as well. No idea why
>> you see this.
>> There is a irq off region which sets and removes RUN bit, I have no
>> idea why you have this backtrace.
>>
>
> As of now, i'm too :(
> - not sure if this could be the case, but my kernel is !SMP
> # CONFIG_SMP is not set
> # CONFIG_CPUSETS is not set
>

Sorry, this is false alarm - I did mistake in my patch.

Sorry for your time.

-- 
regards,
-grygorii

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[rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-01-18 10:10 +0100
  Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-01-18 21:20 +0100
    Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-01-19 03:40 +0100
      Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-01-21 14:00 +0100
        Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Grygorii Strashko <grygorii.strashko@ti.com> - 2016-01-22 13:30 +0100
          Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-01-22 14:20 +0100
            Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Grygorii Strashko <grygorii.strashko@ti.com> - 2016-01-22 14:40 +0100
              Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-01-22 15:20 +0100
                Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Grygorii Strashko <grygorii.strashko@ti.com> - 2016-01-22 16:10 +0100
                Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Grygorii Strashko <grygorii.strashko@ti.com> - 2016-01-22 19:30 +0100
    Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-01-19 05:50 +0100
      Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-01-19 06:20 +0100
    Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Grygorii Strashko <grygorii.strashko@ti.com> - 2016-01-22 13:00 +0100
      Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-01-22 14:00 +0100
        Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-01-22 21:50 +0100
          Re: [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Grygorii Strashko <grygorii.strashko@ti.com> - 2016-01-25 18:20 +0100

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