[Bug uprobes/13489] support upstream inode-based uprobes

[dsmith at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13489

David Smith <dsmith at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |dsmith at redhat dot com
         Resolution|                            |FIXED

--- Comment #3 from David Smith <dsmith at redhat dot com> 2012-06-20 19:50:57 UTC ---
As Josh mentioned in comment #2, finding a sleepy context was the main holdup
here.  Kernels >= 3.5 have a feature called "task_work" that we're now using to
provide that sleepy context.

There are still missing features when compared to the old utrace-based uprobes
(like uretprobes), but we now support the upstream inode-based uprobes.  Any
remaining bugs in the new inode-based uprobes support we can track separately.

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