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* [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-354-g93ee09d
@ 2011-10-27 15:25 dsmith
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From: dsmith @ 2011-10-27 15:25 UTC (permalink / raw)
  To: systemtap-cvs

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The branch, master has been updated
       via  93ee09d508e10d054465c63553b30539d70e0c4b (commit)
      from  5ffdc7b036760ef6ebb10e4c0ddf38b267b16e03 (commit)

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- Log -----------------------------------------------------------------
commit 93ee09d508e10d054465c63553b30539d70e0c4b
Author: David Smith <dsmith@redhat.com>
Date:   Thu Oct 27 10:24:45 2011 -0500

    More PR13083 fixes to avoid sleeping in the task_finder.
    
    * runtime/task_finder.c (__stp_get_mm_path): Call down_read_trylock()
      instead of down_read() to avoid the possibility of sleeping.
      (stap_start_task_finder): Call task_lock() to make sure a task's mm
      doesn't go away while we're looking at it.

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

Summary of changes:
 runtime/task_finder.c |   26 ++++++++++++++++++--------
 1 files changed, 18 insertions(+), 8 deletions(-)


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