linux-kernel - RE: [PATCH 4.19 00/39] 4.19.278-rc1 review

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Date:   Wed, 15 Mar 2023 14:12:46 +0000
From:   Chris Paterson <Chris.Paterson2@...esas.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
CC:     "patches@...ts.linux.dev" <patches@...ts.linux.dev>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux@...ck-us.net" <linux@...ck-us.net>,
        "shuah@...nel.org" <shuah@...nel.org>,
        "patches@...nelci.org" <patches@...nelci.org>,
        "lkft-triage@...ts.linaro.org" <lkft-triage@...ts.linaro.org>,
        "pavel@...x.de" <pavel@...x.de>,
        "jonathanh@...dia.com" <jonathanh@...dia.com>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "sudipm.mukherjee@...il.com" <sudipm.mukherjee@...il.com>,
        "srw@...dewatkins.net" <srw@...dewatkins.net>,
        "rwarsow@....de" <rwarsow@....de>
Subject: RE: [PATCH 4.19 00/39] 4.19.278-rc1 review

Hello Greg,

> From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Sent: 15 March 2023 12:12
> 
> This is the start of the stable review cycle for the 4.19.278 release.
> There are 39 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Fri, 17 Mar 2023 11:57:10 +0000.
> Anything received after that time might be too late.

Tested-by: Chris Paterson (CIP) <chris.paterson2@...esas.com>
CI Pipeline: https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/pipelines/807195668

We (CIP) are seeing some build issues with Linux 4.19.278-rc1 (7cfb8ee7c98e).


1)
In various arm, arm64 and x86 configurations we see:
kernel/cgroup/cgroup.c: In function 'cgroup_attach_lock':
kernel/cgroup/cgroup.c:2237:2: error: implicit declaration of function 'get_online_cpus'; did you mean 'get_online_mems'? [-Werror=implicit-function-declaration]
  get_online_cpus();
  ^~~~~~~~~~~~~~~
  get_online_mems
kernel/cgroup/cgroup.c: In function 'cgroup_attach_unlock':
kernel/cgroup/cgroup.c:2248:2: error: implicit declaration of function 'put_online_cpus'; did you mean 'num_online_cpus'? [-Werror=implicit-function-declaration]
  put_online_cpus();
  ^~~~~~~~~~~~~~~
  num_online_cpus

For example: https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/jobs/3938632173#L1274

Presumably this issue is caused by "cgroup: Fix threadgroup_rwsem <-> cpus_read_lock() deadlock", but I haven't had a chance to revert and re-test.


2)
For arm_multiconfig_v7 builds we're seeing a some errors when building the exynos5422 device trees:
arch/arm/boot/dts/exynos5422-odroidhc1.dtb: ERROR (phandle_references): /thermal-zones/gpu-thermal/cooling-maps/map0: Reference to non-existent node or label "gpu"
arch/arm/boot/dts/exynos5422-odroidhc1.dtb: ERROR (phandle_references): /thermal-zones/gpu-thermal/cooling-maps/map1: Reference to non-existent node or label "gpu"
ERROR: Input tree has errors, aborting (use -f to force output)
make[1]: *** [scripts/Makefile.lib:294: arch/arm/boot/dts/exynos5422-odroidhc1.dtb] Error 2
make[1]: *** Waiting for unfinished jobs....
  DTC     arch/arm/boot/dts/hi3519-demb.dtb
  DTC     arch/arm/boot/dts/hisi-x5hd2-dkb.dtb
arch/arm/boot/dts/exynos5422-odroidxu3.dtb: ERROR (phandle_references): /thermal-zones/gpu-thermal/cooling-maps/map3: Reference to non-existent node or label "gpu"
arch/arm/boot/dts/exynos5422-odroidxu3.dtb: ERROR (phandle_references): /thermal-zones/gpu-thermal/cooling-maps/map4: Reference to non-existent node or label "gpu"
ERROR: Input tree has errors, aborting (use -f to force output)
make[1]: *** [scripts/Makefile.lib:294: arch/arm/boot/dts/exynos5422-odroidxu3.dtb] Error 2
arch/arm/boot/dts/exynos5422-odroidxu3-lite.dtb: ERROR (phandle_references): /thermal-zones/gpu-thermal/cooling-maps/map3: Reference to non-existent node or label "gpu"
arch/arm/boot/dts/exynos5422-odroidxu3-lite.dtb: ERROR (phandle_references): /thermal-zones/gpu-thermal/cooling-maps/map4: Reference to non-existent node or label "gpu"
ERROR: Input tree has errors, aborting (use -f to force output)
make[1]: *** [scripts/Makefile.lib:294: arch/arm/boot/dts/exynos5422-odroidxu3-lite.dtb] Error 2
arch/arm/boot/dts/exynos5422-odroidxu4.dtb: ERROR (phandle_references): /thermal-zones/gpu-thermal/cooling-maps/map3: Reference to non-existent node or label "gpu"
arch/arm/boot/dts/exynos5422-odroidxu4.dtb: ERROR (phandle_references): /thermal-zones/gpu-thermal/cooling-maps/map4: Reference to non-existent node or label "gpu"
ERROR: Input tree has errors, aborting (use -f to force output)
make[1]: *** [scripts/Makefile.lib:294: arch/arm/boot/dts/exynos5422-odroidxu4.dtb] Error 2
make: *** [arch/arm/Makefile:348: dtbs] Error 2

Log: https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/jobs/3938632189#L8634

Presumably caused by "ARM: dts: exynos: Add GPU thermal zone cooling maps for Odroid XU3/XU4/HC1", but I haven't had a chance to revert and re-test.


Kind regards, Chris