[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-498-g3c6dd54

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-498-g3c6dd54

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- Log -----------------------------------------------------------------
commit 3c6dd54efb6de5b4d55e073c8d5884440aece135
Author: Mark Wielaard <mjw@redhat.com>
Date:   Sat Nov 26 22:21:22 2011 +0100

    Pass through user flag into all of unwinder.
    
    runtime/unwind.c relied on passing of struct task being not NULL
    to see whether to access user space. In practice tsk was always
    either NULL or current. And not all bits of the unwinder checked
    it. Now we just pass a user flag and push it down to every
    function that needs it.

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

Summary of changes:
 runtime/stack-dwarf.c |    4 +-
 runtime/stack.c       |    2 +-
 runtime/unwind.c      |  100 ++++++++++++++++++++++++++----------------------
 3 files changed, 57 insertions(+), 49 deletions(-)


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systemtap: system-wide probe/trace tool