Re: [PATCH 1/2] Use faster check for modules in backtrace on 64bit
From: Peter Zijlstra
Date: Mon Sep 29 2014 - 07:42:19 EST
On Fri, Sep 26, 2014 at 04:31:16PM -0700, Andi Kleen wrote:
> This has the (small) potential to get a false positive on a pointer to a
> data segment in a module. However since we also use the frame pointer
> chain as initial sanity check I think the danger of this is very low.
So this has come up several times; and the answer has always been, why
not make the __module_address() thing a rb-tree instead of a linear
loop. So I suppose I'll ask that again, why not?
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