Re: [PATCH] x86: push old stack address on irqstack for unwinder

[H. Peter Anvin]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/