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From: Olivier Houchard <cognet@FreeBSD.org>
Date: Tue, 27 Nov 2007 22:12:06 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/arm/include atomic.h
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cognet      2007-11-27 22:12:06 UTC

  FreeBSD src repository

  Modified files:
    sys/arm/include      atomic.h 
  Log:
  In atomic_fetchadd_32(), do not blindly increase the value of %3.
  It should just contain the value we want to add, as if we're interrupted
  between the add and the str, we will restart from the beginning. Just use
  a register we can scratch instead.
  
  MFC After:      1 week
  
  Revision  Changes    Path
  1.22      +3 -2      src/sys/arm/include/atomic.h