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Date:      Mon, 26 Sep 2005 19:35:33 +0000 (UTC)
From:      John Baldwin <jhb@FreeBSD.org>
To:        src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   cvs commit: src/sys/alpha/alpha busdma_machdep.c
Message-ID:  <200509261935.j8QJZXKs019595@repoman.freebsd.org>
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jhb         2005-09-26 19:35:33 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/alpha/alpha      busdma_machdep.c 
  Log:
  MFC: Add a memory barrier for PREWRITE operations to ensure all writes by
  the CPU have drained before further writes to kick off the DMA operation.
  
  Approved by:    re (kensmith)
  
  Revision  Changes    Path
  1.51.2.1  +4 -0      src/sys/alpha/alpha/busdma_machdep.c

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