svn commit: r253996 - in head: . sys/cddl/compat/opensolaris/sys sys/cddl/dev/dtrace sys/conf sys/modules/cyclic sys/modules/dtrace/dtio sys/modules/dtrace/dtmalloc sys/modules/dtrace/dtnfscl sys/m...

[David O'Brien]

On Tue, Aug 06, 2013 at 03:51:56PM +0000, Andriy Gapon wrote:
> Log:
..
>   Also, meaning of DEBUG was overloaded to enable WITNESS support for some
>   OpenSolaris (primarily ZFS) locks.  Now this overloading is removed and
>   that use of DEBUG is replaced with a new option OPENSOLARIS_WITNESS.

You state there is little value in witness tracking for ZFS in UPDATING.
Is there no reasonable way to gain useful lock tracking for ZFS?

At a minimum, shouldn't this also be added to sys/conf/NOTES in the
"# SMP Debugging Options:" section?

-- 
-- David  (obrien at FreeBSD.org)