-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Thu, 08 Jan 2015 20:25:36 +0100 Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: > > 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 all of the OLPC XO 1.0 and 1.5 devices are running i686 fedora, that userbase is in the millions, but would they notice the performance drop I do not know. It would be interesting to see how performance was impacted on 32 bit arm Dennis -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBAgAGBQJUrw/pAAoJEH7ltONmPFDRcmIQAIE+s6LNOA+Sj1nWnzzhRb+N e4Zf5DUAJl7N48taMiHgivVm9nQR1poOu99H1FMMPtskaoKFBgEEgBpSH3THXQSm c/PS6T6SeDn5BwO/9LIsmd/A+JtWlMBGl4N4HjSiLvMOu93YYlIoYUFjuln+ION0 GjMrMkIiKAGI5de7xmhohd/f82+69stANxqukkGhP4KJOq20PA075eKNvtNIwBqE kpTCueEBbpZtaYFRLC749flURRhyFKFJsqWiYa5SW6azq4xQOIOsQ8NJ7HazmA4z bwTkjGYzoE2NDD0+Cqb2hHbjuC3gZBEIqfF0b0eX9gRBHTfxw4VquBky/dKnjHMc UUHCNyMtnVDotfz5bGRekJGlkcynEmquzNz9sEhhB6cfhnr79I4eNRnjMeEzhkIo ysYbVh/iXJL5jdiRCC2AjBcVX0tOe/etUz7MLCDyWeh929iulkPVXUPhrN0fRLO5 RDz1Z2t7uE6RZGQ4JtzZvHcdgBAOSJSj2cxwdDtyvGwbDFxTQRmAoY+pmuL7Ny71 wxaMUkmODszSEsNxxp7TKU3+Q26Ju9jdA2AToFFdm9WqyJVQYO239414TXgQzDAM MMmM+YUKIDVGf/dwrEteyw4+ksF2C39r8KHSIx4jC/wbf84Ain91cNzUFTQow2RC JgR5QsmMIy593naNYzbv =+w+u -----END PGP SIGNATURE----- -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
