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SubjectRe: [PATCH] x86: push old stack address on irqstack for unwinder
Ingo Molnar wrote:
>
> Would be nice to have an #ifdef-less primitive for this - something like:
>
> pushq_frame %rbp
>
> and a matching:
>
> popq_frame %rbp
>
> for those cases that need it (this one doesnt as we dont pop out of the
> stack).
>

It certainly would if this isn't a singleton, which I think it could
possibly be?

Otherwise it really should be a part of an entry/exit macro; this is
somewhat special in that it sets up a frame pointer as something other
than a normal entry/exit sequence.

-hpa


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