cvs commit: src/sys/amd64/amd64 pmap.c

[Alan Cox]

alc         2008-07-13 18:19:53 UTC

  FreeBSD src repository

  Modified files:
    sys/amd64/amd64      pmap.c 
  Log:
  SVN rev 180498 on 2008-07-13 18:19:53Z by alc
  
  Handle a race between pmap_kextract() and pmap_promote_pde().  This race
  caused ZFS to crash when restoring a snapshot with superpage promotion
  enabled.
  
  Reported by:    kris
  
  Revision  Changes    Path
  1.632     +13 -5     src/sys/amd64/amd64/pmap.c