> As you suggested a few weeks ago the real solution would be a dwarf
> parser. Maybe ia64's could be taken?
Ia64's would be a lot of work.
> (and it works fine across irq/exception stacks too.)
It didn't work at all through the old locks/semaphore stubs.
> > I think i386 only gained it very recently, so it can't be _that_ big a
> > problem.
>
> i certainly used exact backtraces on i386 for many many years.
The patch into mainline went in in mid 2004.
http://www.kernel.org/git/?p=linux/kernel/git/tglx/history.git;a=commit;h=066479e379f387e5b1da0f1149fe0b97bac58888
-Andi
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