[Bug runtime/13868] New: Use UTRACE_ATTACH_ATOMIC when calling utrace create under lock.

["mjw at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=13868

             Bug #: 13868
           Summary: Use UTRACE_ATTACH_ATOMIC when calling utrace create
                    under lock.
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap@sourceware.org
        ReportedBy: mjw@redhat.com
    Classification: Unclassified


commit e46635d5571a655868c2fd57e186fb6edbe77d78
Author: Mark Wielaard <mjw@redhat.com>
Date:   Tue Jan 31 23:06:30 2012 +0100

    Use UTRACE_ATTACH_ATOMIC when calling utrace create under lock.

    UTRACE_ATTACH_ATOMIC is very new, but we need it when calling
    utrace create while holding a lock or in interrupt context.
    If it doesn't exist we do as before (define it as zero).

    See http://sourceware.org/ml/systemtap/2011-q4/msg00340.html

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