Re: [PATCH 5.15 000/317] 5.15.153-rc1 review

[Naresh Kamboju]

On Mon, 25 Mar 2024 at 05:05, Sasha Levin <sashal@xxxxxxxxxx> wrote:
>
>
> This is the start of the stable review cycle for the 5.15.153 release.
> There are 317 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 Mar 26 11:34:43 PM UTC 2024.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/patch/?id=linux-5.15.y&id2=v5.15.152
> 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,
> Sasha

As I have already reported on 5.10 regarding powerpc ppc6xx_defconfig
build regressions noticed on 5.15.

> Thomas Zimmermann (1):
>   arch/powerpc: Remove <linux/fb.h> from backlight code

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

Build error:
------------
drivers/macintosh/via-pmu-backlight.c:22:20: error:
'FB_BACKLIGHT_LEVELS' undeclared here (not in a function)
   22 | static u8 bl_curve[FB_BACKLIGHT_LEVELS];
      |                    ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/kernel.h:16,
                 from arch/powerpc/include/asm/page.h:11,
                 from arch/powerpc/include/asm/thread_info.h:13,
                 from include/linux/thread_info.h:60,
                 from arch/powerpc/include/asm/ptrace.h:323,
                 from drivers/macintosh/via-pmu-backlight.c:11:
drivers/macintosh/via-pmu-backlight.c: In function 'pmu_backlight_curve_lookup':
include/linux/minmax.h:36:9: error: first argument to
'__builtin_choose_expr' not a constant
   36 |         __builtin_choose_expr(__safe_cmp(x, y), \
      |         ^~~~~~~~~~~~~~~~~~~~~


Steps to reproduce:
# tuxmake --runtime podman --target-arch powerpc --toolchain gcc-12
--kconfig ppc6xx_defconfig


Links:
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.152-317-g6f6f22f11928/testrun/23147157/suite/build/test/gcc-12-ppc6xx_defconfig/log
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2e9uOwIbkt3JA6me39nPospWfFL/
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.152-317-g6f6f22f11928/testrun/23147157/suite/build/test/gcc-12-ppc6xx_defconfig/details/

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