Re: F37 proposal: Add -fno-omit-frame-pointer to default compilation flags (System-Wide Change proposal)

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> Unfortunately, no, there's no in-kernel DWARF unwinder due to the complexity involved.
> Instead, the kernel uses ORC and has an unwinder for that. Adding ORC support to all of
> Linux userspace so that we can unwind it in the kernel isn't likely to happen, since
> all tooling would have to be changed to support ORC.

A huge task, most definitely.  Setting that aside though, which cases (if any) would that solution *not* handle?  Is the level of effort required the primary blocker to such a solution, or are there technical ones as well?
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