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From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 13 Feb 2008 21:34:06 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/kern kern_module.c src/sys/sys module.h
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jhb         2008-02-13 21:34:06 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             kern_module.c 
    sys/sys              module.h 
  Log:
  Add an automatic kernel module version dependency to prevent loading
  modules using invalid ABI versions (e.g. a 7.x module with an 8.x kernel)
  for a given kernel:
  - Add a 'kernel' module version whose value is __FreeBSD_version.
  - Add a version dependency on 'kernel' in every module that has an
    acceptable version range of __FreeBSD_version up to the end of the
    branch __FreeBSD_version is part of.  E.g. a module compiled on 701000
    would work on kernels with versions between 701000 and 799999 inclusive.
  
  Discussed on:   arch@
  MFC after:      1 week
  
  Revision  Changes    Path
  1.54      +2 -0      src/sys/kern/kern_module.c
  1.23      +13 -0     src/sys/sys/module.h