From owner-cvs-all  Sun Jan 14  1:55:39 2001
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From: John Baldwin <jhb@FreeBSD.org>
Date: Sun, 14 Jan 2001 01:55:21 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/i386/include atomic.h
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jhb         2001/01/14 01:55:21 PST

  Modified files:
    sys/i386/include     atomic.h 
  Log:
  Fix the atomic_load_acq() and atomic_store_rel() functions to properly
  implement memory fences for the 486+.  The 386 still uses versions w/o
  memory fences as all operations on the 386 are not program ordered.
  The 386 versions are not MP safe.
  
  Revision  Changes    Path
  1.17      +44 -6     src/sys/i386/include/atomic.h



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