svn commit: r313409 - head/sys/geom/journal

[John Baldwin]

On Tuesday, February 07, 2017 10:46:00 PM John Baldwin wrote:
> Author: jhb
> Date: Tue Feb  7 22:45:59 2017
> New Revision: 313409
> URL: https://svnweb.freebsd.org/changeset/base/313409
> 
> Log:
>   Defer startup of gjournal switcher kproc.
>   
>   Don't start switcher kproc until the first GEOM is created.
>   
>   Reviewed by:	pjd
>   MFC after:	1 month
>   Differential Revision:	https://reviews.freebsd.org/D8576

Originally this triggered a panic with EARLY_AP_STARTUP, but that was later
resolved by permitting callouts during early boot for !thread0.  However,
this is still useful to avoid creating an unused kthread on a system that
doesn't use gjournal, so I committed it for that reason.

-- 
John Baldwin