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From: Alan Cox <alc@FreeBSD.org>
Date: Tue, 9 Mar 2010 03:30:31 +0000 (UTC)
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Subject: cvs commit: src/sys/amd64/amd64 mca.c pmap.c src/sys/amd64/include
 md_var.h specialreg.h
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alc         2010-03-09 03:30:31 UTC

  FreeBSD src repository

  Modified files:
    sys/amd64/amd64      mca.c pmap.c 
    sys/amd64/include    md_var.h specialreg.h 
  Log:
  SVN rev 204907 on 2010-03-09 03:30:31Z by alc
  
  Implement AMD's recommended workaround for Erratum 383 on Family 10h
  processors.  With this workaround, superpage promotion can be re-enabled
  under virtualization.  Moreover, machine check exceptions can safely be
  enabled when FreeBSD is running natively on Family 10h processors.
  
  Most of the credit should go to Andriy Gapon for diagnosing the error and
  working with Borislav Petkov at AMD to document it.  Andriy also reviewed
  and tested my patches.
  
  Discussed with: jhb
  MFC after:      3 weeks
  
  Revision  Changes    Path
  1.7       +35 -1     src/sys/amd64/amd64/mca.c
  1.683     +124 -7    src/sys/amd64/amd64/pmap.c
  1.88      +1 -0      src/sys/amd64/include/md_var.h
  1.58      +2 -0      src/sys/amd64/include/specialreg.h