This bug was fixed in the package linux - 5.19.0-15.15
---------------
linux (5.19.0-15.15) kinetic; urgency=medium
* kinetic/linux: 5.19.0-15.15 -proposed tracker (LP: #1983335)
* Miscellaneous Ubuntu changes
- [Config] update annotations to support both gcc-11 and gcc-12
-- Andrea Righi <andrea.ri...@canonical.com> Tue, 02 Aug 2022 09:23:01
+0200
** Changed in: linux (Ubuntu Kinetic)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1956086
Title:
config CONFIG_HISI_PMU for kunpeng920
Status in kunpeng920:
Fix Released
Status in kunpeng920 ubuntu-20.04 series:
Fix Released
Status in kunpeng920 ubuntu-20.04-hwe series:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Focal:
Fix Released
Status in linux source package in Impish:
Fix Released
Status in linux source package in Jammy:
Fix Released
Status in linux source package in Kinetic:
Fix Released
Bug description:
[Impact]
We have Hisilicon PMU modules built-in and they can not be unloaded. There is
no way to replace with a updated module unless we build it as module. It also
wastes memory on arm64 systems based on other SoCs.
[Test Plan]
`lsmod | grep hisi_uncore` shall see 4 modules loaded and they can be
unloaded.
[Regression Risk]
CONFIG_HISI_PMU shall be only affected Hisilicon platforms that HISI0213 is
found in ACPI tables. We shall have perf test run on these platforms and others
have lowest risk.
=================================
[Bug Description]
hisi pmu support x.ko module to use it for kunpeng920
[Steps to Reproduce]
1) cd /lib/modules/$(uname -r)/kernel/drivers/perf/hisilicon
2) check *.ko
3)
[Actual Results]
@ubuntu:~$ cat /boot/config-4.15.0-140-generic | grep -i CONFIG_HISI_PMU
CONFIG_HISI_PMU=y
[Expected Results]
@ubuntu:~$ cat /boot/config-4.15.0-140-generic | grep -i CONFIG_HISI_PMU
CONFIG_HISI_PMU=m
[Reproducibility]
100%
[Additional information]
(Firmware version, kernel version, affected hardware, etc. if required):
[Resolution]
drivers/perf: hisi: Permit modular builds of HiSilicon uncore drivers
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