Am 08.01.2015 um 19:45 schrieb Miloslav Trmač:
= Proposed System Wide Change: Harden all packages with position-independent code =Harden all packages with position-independent code to limit the damage from certain security vulnerabilities.So this proposal is for _all_ architectures, including the register-starved 32-bit i?86 where the overhead is, IIRC, around 10%. I am by now quite convinced that x86_64 should be using PIE by default. As for 32-bit, I’m torn between “this is too much overhead” and “32-bit isn’t worth the worry, let’s instead make the defaults consistent.”
probably not worth the worry, new machines are x86_64 mostly, keep in mind RHEL7 dropped i686 at all
even if they are still used - 10% sounds much *but* such old machines mostly have a special task and are far away from noticeable load and it really depends on the workload if you even notice 20% performance drop
at least i doubt there is a noticeable userbase with i686 running Fedora at all *and* would notice the drop noticeable
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