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From: David Xu <davidxu@FreeBSD.org>
Date: Mon, 8 Feb 2010 03:11:55 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/kern kern_umtx.c
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davidxu     2010-02-08 03:11:55 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/kern             kern_umtx.c 
  Log:
  SVN rev 203645 on 2010-02-08 03:11:55Z by davidxu
  
  MFC r203414:
  After busied the lock, re-read state word before checking waiters flag,
  otherwise, the waiters bit may not be set and a wakeup is lost.
  
  Revision  Changes    Path
  1.73.2.3  +12 -0     src/sys/kern/kern_umtx.c