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From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 8 Apr 2014 18:22:03 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r264264 - head/sys/cam/ctl
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Author: mav
Date: Tue Apr  8 18:22:03 2014
New Revision: 264264
URL: http://svnweb.freebsd.org/changeset/base/264264

Log:
  Wakeup only one thread of added in r263978i at a time.
  
  This slightly reduces lock congestion between threads.
  
  Submitted by:	trasz

Modified:
  head/sys/cam/ctl/ctl.c

Modified: head/sys/cam/ctl/ctl.c
==============================================================================
--- head/sys/cam/ctl/ctl.c	Tue Apr  8 18:21:38 2014	(r264263)
+++ head/sys/cam/ctl/ctl.c	Tue Apr  8 18:22:03 2014	(r264264)
@@ -13065,7 +13065,7 @@ ctl_wakeup_thread()
 
 	softc = control_softc;
 
-	wakeup(softc);
+	wakeup_one(softc);
 }
 
 /* Initialization and failover */