Re: Bits from dpkg developers - dpkg 1.16.1
On Tue, Sep 27, 2011 at 06:01:54PM -0700, Kees Cook wrote:
> Just to be explicit, PIE tends to have small (<1%) performance hits on
> register-starved architectures (i386) in most cases, for for certain work
> loads (e.g. python) the hit is large (~15%). On architectures with plenty
> of registers (amd64) there's virtually no measurable performance hit that
> I've seen.
> If your package handles 3rd party data of any kind (renders, network
> daemons, file parsers, etc), I strongly recommend enabling PIE.
However, on 32bit architectures address space randomizing (which is why
people try sell PIE as a security feature) does not add much security.
http://benpfaff.org/papers/asrandom.pdf
Riku
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