[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.3-172-g86229a5

[dsmith at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 86229a5533de13b6ac6eeb34d9ea24e7cfb64faa
Author: David Smith <dsmith@redhat.com>
Date:   Fri Oct 1 12:56:54 2010 -0500

    Fixed BZ634242 by always looking up pids in the global namespace.
    
    * runtime/uprobes2/uprobes.c (uprobe_get_tg_leader): Always look up the
      pid in the global pid namespace.  From Roland McGrath
      <roland@redhat.com>
      (uprobe_fork_uproc): Ditto.  From Roland McGrath <roland@redhat.com>
      (uprobe_report_clone): If two processes are are sharing the same memory
      space (CLONE_VM) don't remove probes, since that will remove the probes
      from both processes.
    * tapsets.cxx (emit_module_exit): Make sure we always look up pids
      in the global pid namespace, not in any private pid namespace.
    * runtime/uprobes-common.c (stap_uprobe_change_plus): Ignore EEXIST
      errors.

-----------------------------------------------------------------------

Summary of changes:
 runtime/uprobes-common.c   |    9 +++++++--
 runtime/uprobes2/uprobes.c |   31 ++++++++++---------------------
 tapsets.cxx                |   14 ++++++--------
 3 files changed, 23 insertions(+), 31 deletions(-)


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systemtap: system-wide probe/trace tool