** Description changed: + == SRU Justification == + These four commits are Radix performance patches specific to powerpc. + + The patches are reported to help anywhere from 40% up to 3.5X on + unixbench fork/exec testcases. + + The first patch was included in mainlne as of 4.12-rc1. The last three patches are + still in linux-next. + + ---Problem Description--- The following patches are missing in the ubuntu 16.04.3 kernel - https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156104.html https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156105.html https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/157130.html - ---uname output--- 4.10.0-29-generic #33~16.04.1-Ubuntu SMP Tue Jul 25 18:17:06 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux - Machine Type = power9 - ---Steps to Reproduce--- Did a fork and exec benchmark to look at the performance and they pointed to radix routines. - Upstream commits mentioned: - commit f7327e0ba3805470cced2acfa053e795362ee41d powerpc/mm/radix: Remove unnecessary ptesync - commit f6b0df55cad252fedd60aa2ba75a0207d0006283 powerpc/mm/radix: Don't do page walk cache flush when doing full mm flush - commit a5998fcb92552a18713b6aa5c146aa400e4d75ee powerpc/mm/radix: Optimise tlbiel flush all case
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1709220 Title: RPT related fixes missing in Ubuntu 16.04.3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1709220/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
