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From: John Baldwin <jhb@FreeBSD.org>
Date: Thu, 7 Aug 2003 06:58:13 -0700 (PDT)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/kern kern_ktrace.c
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jhb         2003/08/07 06:58:13 PDT

  FreeBSD src repository

  Modified files:
    sys/kern             kern_ktrace.c 
  Log:
  The ktrace mutex does not need to be locked around the post of the ktrace
  semaphore and doing so can lead to a possible reversal.  WITNESS would have
  caught this if semaphores were used more often in the kernel.
  
  Submitted by:   Ted Unangst <tedu@stanford.edu>, Dawson Engler
  
  Revision  Changes    Path
  1.88      +1 -1      src/sys/kern/kern_ktrace.c