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From: John Baldwin <jhb@FreeBSD.org>
Date: Mon, 30 Mar 2009 18:47:13 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_6
Subject: cvs commit: src/sys/dev/twa tw_cl_init.c tw_osl.h tw_osl_freebsd.c
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jhb         2009-03-30 18:47:13 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/dev/twa          tw_cl_init.c tw_osl.h tw_osl_freebsd.c 
  Log:
  SVN rev 190569 on 2009-03-30 18:47:13Z by jhb
  
  MFC: Use a DMA boundary of 4GB to prevent individual transactions from
  crossing a 4GB address boundary.  Due to bus_size_t type limitations, the
  driver uses a 2GB boundary in PAE kernels.  This fixes a data corruption
  issue when using twa(4) in machines with >= 8 GB of RAM.
  
  Revision  Changes    Path
  1.1.4.4   +1 -1      src/sys/dev/twa/tw_cl_init.c
  1.1.4.4   +6 -0      src/sys/dev/twa/tw_osl.h
  1.1.4.5   +2 -2      src/sys/dev/twa/tw_osl_freebsd.c