Backport In-Memory Collection Counters (IMC) trace-mode patches
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
The Ubuntu-power-systems project |
Fix Released
|
High
|
Canonical Kernel Team | ||
linux (Ubuntu) |
Fix Released
|
High
|
Manoj Iyer | ||
Disco |
Won't Fix
|
High
|
Manoj Iyer | ||
Eoan |
Fix Released
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
High
|
Manoj Iyer |
Bug Description
== Comment: #0 - Murilo Opsfelder Araujo - 2019-11-08 06:30:06 ==
---Problem Description---
The following patches may be wanted in >= Bionic kernels:
1. powerpc/include: Add data structures and macros for IMC trace mode
https:/
2. powerpc/perf: Rearrange setting of ldbar for thread-imc
https:/
3. powerpc/perf: Add privileged access check for thread_imc
https:/
4. powerpc/perf: Trace imc events detection and cpuhotplug
https:/
5. powerpc/perf: Trace imc PMU functions
https:/
Patch #3 addresses a security issue.
---uname output---
na
Machine Type = na
---Debugger---
A debugger is not configured
Stack trace output:
no
Oops output:
no
System Dump Info:
The system is not configured to capture a system dump.
== Comment: #12 - Murilo Opsfelder Araujo - 2019-11-22 07:41:20 ==
Please mirror to Canonical to backporting this single patch for >= Bionic kernels (or for which kernels they find appropriate):
commit 216c3087a346db8
Author: Madhavan Srinivasan <email address hidden>
Date: Tue Apr 16 15:18:29 2019 +0530
powerpc/perf: Add privileged access check for thread_imc
tags: | added: architecture-ppc64le bugnameltc-182345 severity-high targetmilestone-inin18044 |
Changed in ubuntu: | |
assignee: | nobody → Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) |
affects: | ubuntu → linux (Ubuntu) |
Changed in ubuntu-power-systems: | |
assignee: | nobody → Canonical Kernel Team (canonical-kernel-team) |
importance: | Undecided → High |
Changed in ubuntu-power-systems: | |
status: | New → Triaged |
Changed in linux (Ubuntu): | |
assignee: | Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) → Manoj Iyer (manjo) |
importance: | Undecided → High |
Changed in linux (Ubuntu Disco): | |
status: | New → In Progress |
Changed in ubuntu-power-systems: | |
status: | Triaged → Incomplete |
tags: |
added: targetmilestone-inin1910 removed: targetmilestone-inin18044 |
Since this is not a critical bug fix or regression this might not be a candidate for LTS Bionic kernel.