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== 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://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=d1720adff3783a2ba7c128e304a385d18962835b
2. powerpc/perf: Rearrange setting of ldbar for thread-imc
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=dd50cf7cbc7bdd86483b797ac3d27b37d5aeeaa4
3. powerpc/perf: Add privileged access check for thread_imc
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=216c3087a346db8d7c8a064d2b8f0f49e4694934
4. powerpc/perf: Trace imc events detection and cpuhotplug
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=72c69dcddce103338de558c5c6e9ef9e4f607ce1
5. powerpc/perf: Trace imc PMU functions
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=012ae244845f19d5f6ca2a90426851bc5044a0dc
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):
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=216c3087a346db8d7c8a064d2b8f0f49e4694934
commit 216c3087a346db8d7c8a064d2b8f0f49e4694934
Author: Madhavan Srinivasan <ma...@linux.vnet.ibm.com>
Date: Tue Apr 16 15:18:29 2019 +0530
powerpc/perf: Add privileged access check for thread_imc
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)
Status: New
** Tags: architecture-ppc64le bugnameltc-182345 severity-high
targetmilestone-inin18044
--
Backport In-Memory Collection Counters (IMC) trace-mode patches
https://bugs.launchpad.net/bugs/1854071
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