cvs commit: src/sys/alpha/alpha busdma_machdep.c

John Baldwin jhb at
Thu Sep 15 10:09:43 PDT 2005

jhb         2005-09-15 17:09:42 UTC

  FreeBSD src repository

  Modified files:
    sys/alpha/alpha      busdma_machdep.c 
  Add a memory barrier for PREWRITE operations to ensure all writes by the
  CPU have drained before further writes to kick off the operation.
  MFC after:      1 week
  Revision  Changes    Path
  1.52      +4 -0      src/sys/alpha/alpha/busdma_machdep.c

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