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From: John Baldwin <jhb@FreeBSD.org>
Date: Fri, 17 Apr 2009 13:22:18 +0000 (UTC)
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/amd64/amd64 busdma_machdep.c src/sys/arm/arm
 busdma_machdep.c src/sys/i386/i386 busdma_machdep.c
 src/sys/ia64/ia64 busdma_machdep.c
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jhb         2009-04-17 13:22:18 UTC

  FreeBSD src repository

  Modified files:
    sys/amd64/amd64      busdma_machdep.c 
    sys/arm/arm          busdma_machdep.c 
    sys/i386/i386        busdma_machdep.c 
    sys/ia64/ia64        busdma_machdep.c 
  Log:
  SVN rev 191201 on 2009-04-17 13:22:18Z by jhb
  
  Restore bus DMA bounce pages to an offset of 0 when they are released by
  a tag that has BUS_DMA_KEEP_PG_OFFSET set.  Otherwise the page could be
  reused with a non-zero offset by a tag that doesn't have
  BUS_DMA_KEEP_PG_OFFSET leading to data corruption.
  
  Sleuthing by:   avg
  Reviewed by:    scottl
  
  Revision  Changes    Path
  1.90      +10 -3     src/sys/amd64/amd64/busdma_machdep.c
  1.46      +10 -3     src/sys/arm/arm/busdma_machdep.c
  1.98      +10 -3     src/sys/i386/i386/busdma_machdep.c
  1.50      +10 -3     src/sys/ia64/ia64/busdma_machdep.c