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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Fri, 10 Sep 2004 07:00:28 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/sparc64/sparc64 bus_machdep.c
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marcel      2004-09-10 07:00:28 UTC

  FreeBSD src repository

  Modified files:
    sys/sparc64/sparc64  bus_machdep.c 
  Log:
  Better fix the busdma problem exposed by ATA. With the CMD 646 for
  example the maximum segment size is 64K while the boundary is set
  to 8K due to controller limitations. It is impossible to NOT cross
  the boundary for any segment size that's larger than the boundary.
  So, once we inherited the boundary from the parent tag, make sure
  to reduce the maximum segment size to the boundary if it was larger.
  
  MT5 candidate.
  
  Revision  Changes    Path
  1.41      +5 -1      src/sys/sparc64/sparc64/bus_machdep.c