svn commit: r216405 - head/sys/amd64/conf

[Robert Watson]

Author: rwatson
Date: Mon Dec 13 12:15:46 2010
New Revision: 216405
URL: http://svn.freebsd.org/changeset/base/216405

Log:
  Add options NO_ADAPTIVE_SX to the XENHVM kernel configuration, matching
  its similar disabling of adaptive mutexes and rwlocks.  The existing
  comment on why this is the case also applies to sx locks.
  
  MFC after:	3 days
  Discussed with:	attilio

Modified:
  head/sys/amd64/conf/XENHVM

Modified: head/sys/amd64/conf/XENHVM
==============================================================================
--- head/sys/amd64/conf/XENHVM	Mon Dec 13 10:48:49 2010	(r216404)
+++ head/sys/amd64/conf/XENHVM	Mon Dec 13 12:15:46 2010	(r216405)
@@ -17,6 +17,7 @@ makeoptions	MODULES_OVERRIDE=""
 #
 options 	NO_ADAPTIVE_MUTEXES
 options 	NO_ADAPTIVE_RWLOCKS
+options 	NO_ADAPTIVE_SX
 
 # Xen HVM support
 options 	XENHVM