git: kernel - Fix itimer hard critical section panic

[Matthew Dillon]

commit 898e34b34c5c2a3f944073b36861e2247c7fed58
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Mon Nov 7 16:26:48 2011 -0800

    kernel - Fix itimer hard critical section panic
    
    * ksignal() needs per-lwp tokens as well as the process token, the existing
      itimer code only gets the process token.
    
    * Flag the itimer signal and issue the ksignal() in the trap's AST code
      instead of trying to issue it from the hardclock.
    
    Reported-by: swildner

Summary of changes:
 sys/kern/kern_clock.c                |   19 ++++++++++++++-----
 sys/kern/kern_time.c                 |    8 ++++++++
 sys/platform/pc32/i386/trap.c        |   16 +++++++++++++---
 sys/platform/pc64/x86_64/trap.c      |   16 +++++++++++++---
 sys/platform/vkernel/i386/trap.c     |   19 +++++++++++++++----
 sys/platform/vkernel64/x86_64/trap.c |   19 +++++++++++++++----
 sys/sys/proc.h                       |    4 ++--
 7 files changed, 80 insertions(+), 21 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/898e34b34c5c2a3f944073b36861e2247c7fed58


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