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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Fri, 6 Aug 2010 09:42:15 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/fs/devfs devfs_rule.c devfs_vnops.c
 src/sys/kern kern_conf.c tty.c vfs_bio.c src/sys/sys conf.h
 vnode.h src/sys/vm device_pager.c vm_mmap.c
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kib         2010-08-06 09:42:15 UTC

  FreeBSD src repository

  Modified files:
    sys/fs/devfs         devfs_rule.c devfs_vnops.c 
    sys/kern             kern_conf.c tty.c vfs_bio.c 
    sys/sys              conf.h vnode.h 
    sys/vm               device_pager.c vm_mmap.c 
  Log:
  SVN rev 210923 on 2010-08-06 09:42:15Z by kib
  
  Add new make_dev_p(9) flag MAKEDEV_ETERNAL to inform devfs that created
  cdev will never be destroyed. Propagate the flag to devfs vnodes as
  VV_ETERNVALDEV. Use the flags to avoid acquiring devmtx and taking a
  thread reference on such nodes.
  
  In collaboration with:  pho
  MFC after:      1 month
  
  Revision  Changes    Path
  1.26      +4 -3      src/sys/fs/devfs/devfs_rule.c
  1.187     +30 -27    src/sys/fs/devfs/devfs_vnops.c
  1.241     +76 -43    src/sys/kern/kern_conf.c
  1.338     +3 -3      src/sys/kern/tty.c
  1.591     +3 -2      src/sys/kern/vfs_bio.c
  1.258     +15 -7     src/sys/sys/conf.h
  1.370     +1 -0      src/sys/sys/vnode.h
  1.96      +7 -6      src/sys/vm/device_pager.c
  1.243     +7 -7      src/sys/vm/vm_mmap.c