[SCM] systemtap: system-wide probe/trace tool branch, pr13539, created. release-1.6-683-gf916107

[fche@sourceware.org]

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The branch, pr13539 has been created
        at  f916107c257942a9fe962c0693c54a9869db166e (commit)

- Log -----------------------------------------------------------------
commit f916107c257942a9fe962c0693c54a9869db166e
Author: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Date:   Thu Jan 26 09:56:31 2012 -0500

    PR13539: fight uprobes unregister-vs-exit races
    
    While I still cannot see a reason how uprobe_{free,put}_process can
    race uprobe_report_{exit,exec}, I certainly think somebit of cleanup
    can be done.  However I am dont think we need to do a utask or uproc lookup
    from the table. Especially in case of callbacks.
    
    Mostly similar to what Jim proposed.
    I haven't tested this patch myself and I couldn't reproduce the problem.
    [fche corrected some typos and removed meddlesome printk's]

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