Re: [PATCH] rcu: unify boost and kthread priorities

From: Clark Williams
Date: Wed Sep 17 2014 - 09:15:03 EST


On Tue, 16 Sep 2014 13:41:56 -0700
"Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> wrote:

> On Mon, Sep 15, 2014 at 10:05:24AM -0500, Clark Williams wrote:
> > Paul,
> >
> > Here's the result of our conversation Friday, regarding the per-CPU and
> > boost priorities:
> >
> > Rename CONFIG_RCU_BOOST_PRIO to CONFIG_RCU_KTHREAD_PRIO and use this
> > value for both the per-CPU kthreads (rcuc/N) and the rcu boosting
> > threads (rcub/n).
> >
> > Also, create the module_parameter rcutree.kthread_prio to be used on
> > the kernel command line at boot to set a new value
> > (rcutree.kthread_prio=N).
> >
> > Signed-off-by: Clark Williams <clark.williams@xxxxxxxxx>
>
> Thank you, Clark!
>
> I queued this, porting to rcu/dev, which resulted in the following
> patch. Please check this to make sure it still reflects your intent.
> In the meantime, I will start testing.
>
> Thanx, Paul

Yes, looks right (and you fixed that I didn't have it all under
RCU_BOOST).

Thanks,
Clark

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