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    SubjectRe: BUG-lockdep and freeze (was: Arrr! Linux 2.6.18)

    On Sat, 30 Sep 2006, Al Viro wrote:
    > Oh, so _that_ is what it is supposed to do? I've seen it when it went
    > in, tried to read, barfed and chalked it up to KDB or itanic braindamage
    > (both have turds of that genre). Didn't realize that lockdep used it too...

    Well, anything that shows or needs a back-trace. By definition, it's
    pretty much just debug code.

    I sure as hell hope we don't have any actual _semantics_ that depend on
    back-traces, like the broken asynchronous C++ exception handling code etc
    that people have in user space (what a total brain-damage _that_ is!).

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