[PATCHSET] utrace for 3.1 kernel

[Oleg Nesterov]

Hello.

utrace patches for 3.1 kernel. Untested, will try to do some tests
tomorrow.

I do not want to spam you all and the lists, please look at

	git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc.git utrace-3.1

Oleg Nesterov (29):
      utrace: add utrace_init_task/utrace_free_task calls
      tracehooks: add utrace hooks
      tracehooks: reintroduce tracehook_consider_fatal_signal()
      add utrace hooks into sig_ignored() and recalc_sigpending()
      restore the EXEC/EXIT/CLONE utrace hooks
      utrace: utrace_report_death() can use task_utrace_struct()
      restore the DEATH/REAP utrace hooks
      utrace: remove jobctl bits
      ptrace: take ->siglock around s/TRACED/RUNNING/
      introduce wake_up_quiescent()
      introduce ptrace_signal_wake_up()
      wait_task_inactive: treat task->state and match_state as bitmasks
      introduce TASK_UTRACED state
      utrace: use TASK_UTRACED instead of TASK_TRACED
      reintroduce tracehook_finish_jctl() as utrace_end_stop()
      teach wake_up_quiescent() to do "selective" wake_up
      ptrace_stop: do not assume the task is running after wake_up_quiescent()
      get_signal_to_deliver: restore/restructure utrace/ptrace signal reporting
      utrace_get_signal: s/JOBCTL_STOP_PENDING/JOBCTL_PENDING_MASK/
      introduce ptrace_set_syscall_trace()
      introduce PT_SYSCALL_TRACE flag
      utrace: don't clear TIF_SYSCALL_TRACE if it is needed by ptrace
      introduce task_utrace_lock/task_utrace_unlock
      teach ptrace_set_syscall_trace() to play well with utrace
      introduce PT_SINGLE_STEP and PT_SINGLE_BLOCK
      utrace: finish_resume_report: don't do user_xxx_step() if ptrace_wants_step()
      ptrace: shift user_*_step() from ptrace_resume() to ptrace_stop()
      ptrace_disable: no need to disable stepping
      ptrace_report_syscall: check TIF_SYSCALL_EMU

Roland McGrath (1):
      utrace core

 Documentation/DocBook/Makefile    |    2 +-
 Documentation/DocBook/utrace.tmpl |  589 +++++++++
 arch/s390/kernel/traps.c          |    4 +-
 arch/x86/kernel/ptrace.c          |    1 -
 fs/exec.c                         |    5 +-
 fs/proc/array.c                   |   14 +-
 include/linux/ptrace.h            |    7 +
 include/linux/sched.h             |   25 +-
 include/linux/signal.h            |    2 +
 include/linux/tracehook.h         |   53 +-
 include/linux/utrace.h            |  773 ++++++++++++
 init/Kconfig                      |    9 +
 kernel/Makefile                   |    1 +
 kernel/exit.c                     |    5 +
 kernel/fork.c                     |    9 +
 kernel/ptrace.c                   |   57 +-
 kernel/sched.c                    |    2 +-
 kernel/signal.c                   |   97 ++-
 kernel/utrace.c                   | 2461 +++++++++++++++++++++++++++++++++++++
 19 files changed, 4062 insertions(+), 54 deletions(-)
 create mode 100644 Documentation/DocBook/utrace.tmpl
 create mode 100644 include/linux/utrace.h
 create mode 100644 kernel/utrace.c