Re: [PATCH v1 5/5] driver-core: add driver asynchronous probe support

Luis R. Rodriguez
2014-10-03T21:12:11Z

On Fri, Oct 03, 2014 at 10:11:26PM +0200, Luis R. Rodriguez wrote:
> On Fri, Sep 26, 2014 at 02:57:17PM -0700, Luis R. Rodriguez wrote:
> > + queue_work(system_unbound_wq, &priv->attach_work->work);
>
> Tejun,
>
> based on my testing so far using system_highpri_wq instead of
> system_unbound_wq yields close to par / better boot times
> than synchronous probe support for all modules. How set are
> you on using system_unbound_wq? About to punt out a new
> series which also addresses built-in.

Nevermind, folks can change this later with better empirical
testing than I can provide and right now the differences I
see are not too conclusive and I suspect we'll see more of
a difference once the right built-in drivers are selected
to probe asynchrounously.

Luis