Re: [PATCH v5 2/5] driver core: Functional dependencies tracking support

From: Greg Kroah-Hartman
Date: Thu Oct 27 2016 - 11:33:35 EST


On Wed, Oct 26, 2016 at 01:19:02PM +0200, Lukas Wunner wrote:
> Hi Rafael,
>
> sorry for not responding to v5 of your series earlier, just sending
> this out now in the hope that it reaches you before your travels.
>
> On Mon, Oct 10, 2016 at 02:51:04PM +0200, Rafael J. Wysocki wrote:
> > - Modify device_links_check_suppliers(), device_links_driver_bound(),
> > device_links_no_driver(), device_links_driver_cleanup(), device_links_busy(),
> > and device_links_unbind_consumers() to walk link lists under device_links_lock
> > (to make the new "driver presence tracking" mechanism work reliably).
>
> This change might increase boot time if drivers return -EPROBE_DEFER.

"might"? Please verify this before guessing....

And don't make this more complex than needed before actually determining
a real issue.

thanks,

greg k-h