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Date:      Sat, 5 Sep 2009 08:08:14 +0000 (UTC)
From:      Warner Losh <imp@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r196856 - head
Message-ID:  <200909050808.n8588EEO041434@svn.freebsd.org>

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Author: imp
Date: Sat Sep  5 08:08:14 2009
New Revision: 196856
URL: http://svn.freebsd.org/changeset/base/196856

Log:
  Note migration of tunable from hw.bus.devctl_disable to
  hw.bus.devctl_queue.  The sysctl interface provides legacys upport for
  the latter sysctl, but the tunable support was removed.
  
  MFC after:	1 day

Modified:
  head/UPDATING

Modified: head/UPDATING
==============================================================================
--- head/UPDATING	Sat Sep  5 08:03:29 2009	(r196855)
+++ head/UPDATING	Sat Sep  5 08:08:14 2009	(r196856)
@@ -22,6 +22,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 9.
 	machines to maximize performance.  (To disable malloc debugging, run
 	ln -s aj /etc/malloc.conf.)
 
+20090825:
+	The old tunable hw.bus.devctl_disable has been superseded by
+	hw.bus.devctl_queue.  hw.bus.devctl_disable=1 in loader.conf should be
+	replaced by hw.bus.devctl_queue=0.  The default for this new tunable
+	is 1000.
+
 20090813:
 	Remove the option STOP_NMI.  The default action is now to use NMI only
 	for KDB via the newly introduced function stop_cpus_hard() and



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