[Bug runtime/17140] systemtap.examples/profiling/functioncallcount.stp causing kernel panic on s390x

[dsmith at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17140

--- Comment #5 from David Smith <dsmith at redhat dot com> ---
Here's disassembly output for 'free_pages' and 'free_pages.part.49':

====
# objdump -d --start-address=0x0000000000211910
--stop-address=0x0000000000211938
/usr/lib/debug/lib/modules/3.10.0-123.el7.s390x/vmlinux

/usr/lib/debug/lib/modules/3.10.0-123.el7.s390x/vmlinux:     file format
elf64-s390


Disassembly of section .text:

0000000000211910 <free_pages.part.49>:
  211910:    c4 18 00 39 29 34     lgrl    %r1,936b78 <vmemmap>
  211916:    ec 22 06 b9 3a 55     risbg    %r2,%r2,6,185,58
  21191c:    b9 08 00 21           agr    %r2,%r1
  211920:    c0 f4 ff ff ff b0     jg    211880 <__free_pages>
  211926:    07 07                 nopr    %r7

0000000000211928 <free_pages>:
  211928:    ec 26 00 04 00 7c     cgij    %r2,0,6,211930 <free_pages+0x8>
  21192e:    07 fe                 br    %r14
  211930:    c0 f4 ff ff ff f0     jg    211910 <free_pages.part.49>
  211936:    07 07                 nopr    %r7
====

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