Backport upstream bugfixes to ubuntu-16.04
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
High
|
Tim Gardner | ||
Xenial |
Fix Released
|
High
|
Tim Gardner |
Bug Description
Backport the below upstream "powernv-cpufreq" bug fixes to ubuntu 16.04:
The below listed patchset is accepted upstream and is in linux-next.
1) 86622cb8c57abb0
2) 6d167a44e6c8da3
3) 96c4726f01cdbf5
4) 0306e481d479a58
5)c89f2682a3919
Two more patches that are posted upstream:
6) http://
7) http://
1) Fixes a memory leak
2) Makes the worker thread hot-plug safe which is scheduled on an OCC event.
3) Fixes the below bug which cause 4% cpu overhead by powernv_
4.44% [k] _raw_spin_
|
| |
| |--72.55%-- of_find_property
| | |
| | |--62.14%-- of_n_addr_cells
| | | __of_find_
| | | |
| | | |--75.72%-- of_get_cpu_node
| | | | cpu_to_chip_id
| | | | powernv_
| | | | powernv_
| | | | __cpufreq_
4) , 5) and 7) are permanent fixes for BZ 131119, BZ 130125 which complained on the throttle message reporting
6) Fixes bug in powernv_
Related branches
CVE References
tags: | added: architecture-ppc64le bugnameltc-137980 severity-high targetmilestone-inin1604 |
Changed in ubuntu: | |
assignee: | nobody → Taco Screen team (taco-screen-team) |
affects: | ubuntu → linux (Ubuntu) |
Changed in linux (Ubuntu): | |
assignee: | Taco Screen team (taco-screen-team) → Canonical Kernel Team (canonical-kernel-team) |
importance: | Undecided → High |
status: | New → Triaged |
Changed in linux (Ubuntu Xenial): | |
status: | Fix Released → Fix Committed |
I cherry-picked the first 5 patches from linux-next, but I'm not having much luck scraping 6 and 7 from marc.info.