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From: David Xu <davidxu@FreeBSD.org>
Date: Wed, 3 Feb 2010 07:21:20 +0000 (UTC)
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Subject: svn commit: r203419 - head/sys/kern
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Author: davidxu
Date: Wed Feb  3 07:21:20 2010
New Revision: 203419
URL: http://svn.freebsd.org/changeset/base/203419

Log:
  Fix comments in do_sem_wait().

Modified:
  head/sys/kern/kern_umtx.c

Modified: head/sys/kern/kern_umtx.c
==============================================================================
--- head/sys/kern/kern_umtx.c	Wed Feb  3 06:55:13 2010	(r203418)
+++ head/sys/kern/kern_umtx.c	Wed Feb  3 07:21:20 2010	(r203419)
@@ -2864,8 +2864,7 @@ do_sem_wait(struct thread *td, struct _u
 	}
 
 	/*
-	 * The magic thing is we should set c_has_waiters to 1 before
-	 * releasing user mutex.
+	 * set waiters byte and sleep.
 	 */
 	suword32(__DEVOLATILE(uint32_t *, &sem->_has_waiters), 1);