git: kernel - Fix races in procfs

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 07cdb1d23b872d65756a5dd2850001b8c0dc2995
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date:   Wed Nov 16 08:47:29 2011 -0800

    kernel - Fix races in procfs
    
    * Use cache_copy to acquire a stable textnch
    
    * Do not try to access the vmspace (for process args) for processes
      in the SIDL or SZOMB state as it may be a moving target even with
      the process PHOLD()en.

Summary of changes:
 sys/vfs/procfs/procfs_mem.c   |    8 +++++---
 sys/vfs/procfs/procfs_vnops.c |   24 +++++++++++++++++-------
 2 files changed, 22 insertions(+), 10 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/07cdb1d23b872d65756a5dd2850001b8c0dc2995


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