On Monday, May 16, 2016 01:25:56 PM Julian Elischer wrote:
> On 15/05/2016 2:22 AM, John Baldwin wrote:
> > Author: jhb
> > Date: Sat May 14 18:22:52 2016
> > New Revision: 299746
> > URL: https://svnweb.freebsd.org/changeset/base/299746
> >
> > Log:
> >    Add an EARLY_AP_STARTUP option to start APs earlier during boot.

<snip>
 
> >    As a transition aid, the new behavior is available under a new kernel
> >    option (EARLY_AP_STARTUP).  This will allow the option to be turned off
> >    if need be during initial testing.  I plan to enable this on x86 by
> >    default in a followup commit in the next few days and to have all
> >    platforms moved over before 11.0.  Once the transition is complete,
> >    the option will be removed along with the !EARLY_AP_STARTUP code.

<snip>

> John, This feels as though it should be settable with a tuneable 
> variable. Can you think
> of a good way to do this other than having two sysinit entries and making
> the tuneable "enable" the right one? There is no tuneable/sysinit 
> interaction otherwise.

The idea is for the !EARLY_AP_STARTUP code to be temporary, so I think
adding a tunable is probably a bit much to add in terms of overhead for
something that should be temporary.

-- 
John Baldwin
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