On Thu, 2013-06-06 at 12:07 +0200, Peter Zijlstra wrote:
> > Are you OK with this?
>
> Yep, applied.
Ah, so you'll take it. Great! I'll drop it from my queue.
Thanks,
-- Steve
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On Wed, Jun 05, 2013 at 10:49:48PM -0400, Steven Rostedt wrote:
> Peter,
>
> Are you fine with this answer, or do you still believe I should put it
> into sched/core.c?
Its ok I suppose. I just had to wrap my head around this
context_tracking muck; first time I ever looked at it.
> I switched it
On Wed, 2013-06-05 at 09:41 -0400, Steven Rostedt wrote:
> >
> > If preempt_enable_notrace() is the only user, why does this live in
> > kernel/context_tracking.c and not in kernel/sched/core.c?
>
> Then we would need to add #ifdef CONFIG_CONTEXT_TRACKING around it too.
> As we have in preempt.h:
On Wed, 2013-06-05 at 13:45 +0200, Peter Zijlstra wrote:
> On Tue, Jun 04, 2013 at 10:16:56AM -0400, Steven Rostedt wrote:
> > index 65349f0..73b89d9 100644
> > --- a/kernel/context_tracking.c
> > +++ b/kernel/context_tracking.c
> > @@ -71,6 +71,46 @@ void user_enter(void)
> > local_irq_restore
On Tue, Jun 04, 2013 at 10:16:56AM -0400, Steven Rostedt wrote:
> index 65349f0..73b89d9 100644
> --- a/kernel/context_tracking.c
> +++ b/kernel/context_tracking.c
> @@ -71,6 +71,46 @@ void user_enter(void)
> local_irq_restore(flags);
> }
>
> +#ifdef CONFIG_PREEMPT
> +/**
> + * preempt_sch
On Tue, 2013-06-04 at 14:27 +0200, Frederic Weisbecker wrote:
> On Fri, May 31, 2013 at 09:30:18PM -0400, Steven Rostedt wrote:
> > diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
> > index 65349f0..15c9f2e 100644
> > --- a/kernel/context_tracking.c
> > +++ b/kernel/context_track
On Tue, Jun 04, 2013 at 08:16:29AM -0400, Steven Rostedt wrote:
> On Tue, 2013-06-04 at 14:09 +0200, Frederic Weisbecker wrote:
> >
> > > +/**
> > > + * preempt_schedule_context - preempt_schedule called by tracing
> > > + *
> > > + * The tracing infrastructure uses preempt_enable_notrace to prev
On Fri, May 31, 2013 at 09:30:18PM -0400, Steven Rostedt wrote:
> diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
> index 65349f0..15c9f2e 100644
> --- a/kernel/context_tracking.c
> +++ b/kernel/context_tracking.c
> @@ -71,6 +71,44 @@ void user_enter(void)
> local_irq_resto
On Tue, 2013-06-04 at 14:09 +0200, Frederic Weisbecker wrote:
>
> > +/**
> > + * preempt_schedule_context - preempt_schedule called by tracing
> > + *
> > + * The tracing infrastructure uses preempt_enable_notrace to prevent
> > + * recursion and tracing preempt enabling caused by the tracing
> >
On Fri, May 31, 2013 at 09:30:18PM -0400, Steven Rostedt wrote:
> Dave Jones hit the following bug report:
>
> ===
> [ INFO: suspicious RCU usage. ]
> 3.10.0-rc2+ #1 Not tainted
> ---
> include/linux/rcupdate.h:771 rcu_read_lock() used i
Dave Jones hit the following bug report:
===
[ INFO: suspicious RCU usage. ]
3.10.0-rc2+ #1 Not tainted
---
include/linux/rcupdate.h:771 rcu_read_lock() used illegally while idle!
other info that might help us debug this:
RCU used ille
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