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From: Thomas Moestl <tmm@FreeBSD.org>
Date: Tue, 21 Jan 2003 09:22:52 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/dev/hme if_hme.c
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tmm         2003/01/21 09:22:52 PST

  Modified files:
    sys/dev/hme          if_hme.c 
  Log:
  bus_dmamap_sync() overhaul:
  - Remove NetBSD-style or-ed together BUS_DMASYNC operations, in some
    cases relaxing the (intended) syncing operation a bit.
  - Add syncs before reading the descriptor rings.
  - Try to combine syncs where possible to avoid overhead.
  - Sync all maps before unloading them.
  
  Revision  Changes    Path
  1.12      +24 -21    src/sys/dev/hme/if_hme.c

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