How provoke call stack trace

[Ihar 'Philips' Filipau]

Hello All!

   [ Simple question. Probably FAQ - but I cannot find it. ]

   How can I print call stack trace, just like BUG() does?
   But without asm(".long 0") as BUG() does.

   Is there any function which can be used by module to just 
investigate some given call path?

--
Ihar 'Philips' Filipau  / with best regards from Saarbruecken.
--                                                           _ _ _
 "... and for $64000 question, could you get yourself       |_|*|_|
   vaguely familiar with the notion of on-topic posting?"   |_|_|*|
                                -- Al Viro @ LKML           |*|*|*|

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