Re: [PATCH tip/core/rcu 0/6] Idle entry/exit changes for 3.13

From: Paul E. McKenney
Date: Wed Sep 25 2013 - 09:45:50 EST


On Tue, Sep 24, 2013 at 09:08:10PM -0700, Josh Triplett wrote:
> On Tue, Sep 24, 2013 at 06:49:55PM -0700, Paul E. McKenney wrote:
> > Hello!
> >
> > This series updates RCU's idle entry/exit processing:
> >
> > 1. Remove redundant code from rcu_cleanup_after_idle().
> >
> > 2. Throttle rcu_try_advance_all_cbs() execution to avoid kbuild
> > slowdowns.
> >
> > 3. Throttle non-lazy-callback-induced invoke_rcu_core() invocations.
> >
> > 4. Add primitive to determine whether it is safe to enter an RCU
> > read-side critical section.
> >
> > 5. Upgrade EXPORT_SYMBOL() to EXPORT_SYMBOL_GPL().
> >
> > 6. Change rcu_is_cpu_idle() function to __rcu_is_watching() for
> > naming consistency.
>
> For all six:
> Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>

Got it, thank you for reviewing!

Thanx, Paul

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