Re: [RFC] improve_stack: make stack dump output useful again

From: Linus Torvalds
Date: Sun Feb 23 2014 - 15:55:54 EST


On Sun, Feb 23, 2014 at 12:44 PM, Joe Perches <joe@xxxxxxxxxxx> wrote:
>
> I'd rather see this as a vsprintf extension so
> that it is more difficult to interleave and
> doesn't need to be replicated for each arch.

We could easily get rid of printk_[stack_]address() by just inlining
it into the callers, and make them use the [<%p[SB]>] thing directly.

That's a separate issue from trying to get rid of the hex parts of the
address, though.

Also, note that even if you merged printk_stack_address into its
callers, you'd still have the actual stack walking ->address() and
->stack() calls as separate calls, so it's not like you'd really avoid
any interleaving if there are concurrent walkers.

Linus
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