On Thu, Apr 14, 2016 at 03:41:17PM +0200, Sebastian Andrzej Siewior wrote:
> On 04/14/2016 03:18 PM, Frederic Weisbecker wrote:
> > I think I tried this but I got lockdep warnings because the other updaters
> > happen on IRQ.
>
> I booted and played a little but lockdep didn't scream here so far.
On 04/14/2016 03:18 PM, Frederic Weisbecker wrote:
> I think I tried this but I got lockdep warnings because the other updaters
> happen on IRQ.
I booted and played a little but lockdep didn't scream here so far.
> In practive we can't be interrupted since the idle task hasn't even started.
>
>
On Thu, Apr 14, 2016 at 02:29:14PM +0200, Sebastian Andrzej Siewior wrote:
> A while ago vtime_init_idle() used to invoke sched_clock_cpu() and had
> write_seqlock_irqsave() because sched_clock_cpu() required to be called
> with interrupts off.
> This requirement is written before the body of the f
On Thu, 2016-04-14 at 14:29 +0200, Sebastian Andrzej Siewior wrote:
> A while ago vtime_init_idle() used to invoke sched_clock_cpu() and
> had
> write_seqlock_irqsave() because sched_clock_cpu() required to be
> called
> with interrupts off.
> This requirement is written before the body of the func
A while ago vtime_init_idle() used to invoke sched_clock_cpu() and had
write_seqlock_irqsave() because sched_clock_cpu() required to be called
with interrupts off.
This requirement is written before the body of the function and was
introduced in 2010 via c676329abb2b ("sched_clock: Add local_clock(
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