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From: "Christian S.J. Peron" <csjp@FreeBSD.org>
Date: Tue, 4 Oct 2005 14:32:59 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/kern kern_mac.c
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csjp        2005-10-04 14:32:59 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             kern_mac.c 
  Log:
  Standard Giant push down operations for the Mandatory Access Control (MAC)
  framework. This makes Giant protection around MAC operations which inter-
  act with VFS conditional, based on the MPSAFE status of the file system.
  
  Affected the following syscalls:
  
  o __mac_get_fd
  o __mac_get_file
  o __mac_get_link
  o __mac_set_fd
  o __mac_set_file
  o __mac_set_link
  
  -Drop Giant all together in __mac_set_proc because the
   mac_cred_mmapped_drop_perms_recurse routine no longer requires it.
  -Move conditional Giant aquisitions to after label allocation routines.
  -Move the conditional release of Giant to before label de-allocation
   routines.
  
  Discussed with: rwatson
  
  Revision  Changes    Path
  1.119     +27 -34    src/sys/kern/kern_mac.c