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SubjectRe: [discuss] Re: [PATCH 2/3] reliable stack trace support (x86-64)

> >Maybe I'm dense but I still don't get - frame has a pt_regs so why
> >isn't the caller allowed to know about that fact?
> Because the fact that there is a regs fields and the PC is accessible through it is architecture specific, yet the
> caller (kernel/unwind.c) ought to be architecture independent.

I doubt we have any architecture where the instruction pointer is not in pt_regs,
but ok.


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