From owner-cvs-all  Wed Oct 18  3:30:15 2000
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From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 18 Oct 2000 03:30:12 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/i386/include bus_at386.h bus_pc98.h
         src/sys/ia64/include bus.h src/sys/alpha/include bus.h
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jhb         2000/10/18 03:30:12 PDT

  Modified files:
    sys/i386/include     bus_at386.h bus_pc98.h 
    sys/ia64/include     bus.h 
    sys/alpha/include    bus.h 
  Log:
  Add in a simple API for memory barriers to machine/bus.h:
  - barrier_read() enforces a memory read barrier
  - barrier_write() enforces a memory write barrier
  - barrier_rw() enforces a memory read/write barrier
  
  Revision  Changes    Path
  1.11      +24 -1     src/sys/i386/include/bus_at386.h
  1.12      +24 -1     src/sys/i386/include/bus_pc98.h
  1.2       +23 -1     src/sys/ia64/include/bus.h
  1.7       +13 -1     src/sys/alpha/include/bus.h



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