linux-kernel - Re: [PATCH 5.15 000/215] 5.15.166-rc1 review

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Message-ID: <CA+G9fYu3+16JcZbAJY0SXoqnMDOMXr8S136Zb4ONh7WpD-5-Hw@mail.gmail.com>
Date: Mon, 2 Sep 2024 14:01:22 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: stable@...r.kernel.org, patches@...ts.linux.dev, 
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org, 
	akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org, 
	patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de, 
	jonathanh@...dia.com, f.fainelli@...il.com, sudipm.mukherjee@...il.com, 
	srw@...dewatkins.net, rwarsow@....de, conor@...nel.org, allen.lkml@...il.com, 
	broonie@...nel.org, abdulrasaqolawani@...il.com, Helge Deller <deller@....de>, 
	Anders Roxell <anders.roxell@...aro.org>
Subject: Re: [PATCH 5.15 000/215] 5.15.166-rc1 review

On Sun, 1 Sept 2024 at 22:29, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 5.15.166 release.
> There are 215 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 Tue, 03 Sep 2024 16:07:34 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.166-rc1.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

The Powerpc defconfig builds failed on Linux stable-rc due to following
build warnings / errors with clang-18 and gcc-12.

This is a same problem on current stable-rc review on
   - 5.4.283-rc1 review
   - 5.10.225-rc1 review
   - 5.15.166-rc1 review

In the case of stable-rc linux-5.15.y

first seen on 36422b23d6d0243e79a6ddc085f8301454ea5291.
  Good: v5.15.164-480-g2a66d0cb3772
  BAD:  v5.15.165-216-g36422b23d6d0

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Anders bisected this to first bad commit id as,
  fbdev: offb: replace of_node_put with __free(device_node)
  [ Upstream commit ce4a7ae84a58b9f33aae8d6c769b3c94f3d5ce76 ]

build log:
--------
drivers/video/fbdev/offb.c:357:32: error: expected ';' at end of declaration
  357 |                 struct device_node *pciparent
__free(device_node) = of_get_parent(dp);
      |                                              ^
      |                                              ;
1 error generated.

Build Log links,
--------
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.165-216-g36422b23d6d0/testrun/25000678/suite/build/test/clang-18-defconfig/log

Build failed comparison:
----------
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.165-216-g36422b23d6d0/testrun/25000678/suite/build/test/clang-18-defconfig/history/

metadata:
----
  git describe: v5.15.165-216-g36422b23d6d0
  git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
  git sha: 36422b23d6d0243e79a6ddc085f8301454ea5291
  kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2lTijUAVRaXda7PSrBQgP98ffqd/config
  build url: https://storage.tuxsuite.com/public/linaro/lkft/builds/2lTijUAVRaXda7PSrBQgP98ffqd/
  toolchain: clang-18 and gcc-12
  config: defconfig
  arch: powerpc

Steps to reproduce:
---------
 - # tuxmake --runtime podman --target-arch powerpc --toolchain
clang-18 --kconfig defconfig LLVM=1 LLVM_IAS=0
LD=powerpc64le-linux-gnu-ld

--
Linaro LKFT
https://lkft.linaro.org