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From: Attilio Rao <attilio@FreeBSD.org>
Date: Tue, 15 Sep 2009 19:14:25 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/kern sched_ule.c
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attilio     2009-09-15 19:14:25 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/kern             sched_ule.c 
  Log:
  SVN rev 197226 on 2009-09-15 19:14:25Z by attilio
  
  MFC r197223:
  Fix sched_switch_migrate() by assuming locks cannot be shared and a
  deadlock between 3 different threads by acquiring both runqueue locks
  when doing the migration.
  
  Please note that this is a special condition as we want this fix in
  before RC1 as we assume it is critical and so it has been handled
  as an instant-merge.  For the STABLE_7 branch, 1 week before the MFC
  is assumed.
  
  Approved by:    re (kib)
  
  Revision   Changes    Path
  1.257.2.2  +11 -11    src/sys/kern/sched_ule.c