linux-kernel - Re: [PATCH 4.9 00/26] 4.9.284-rc1 review

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Message-ID: <6afcb65a-bf4f-7990-c7aa-21bc0cd66520@linaro.org>
Date:   Fri, 24 Sep 2021 08:52:43 -0500
From:   Daniel Díaz <daniel.diaz@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Cc:     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, stable@...r.kernel.org
Subject: Re: [PATCH 4.9 00/26] 4.9.284-rc1 review

Hello!

On 9/24/21 7:43 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.9.284 release.
> There are 26 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 Sun, 26 Sep 2021 12:43:20 +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/v4.x/stable-review/patch-4.9.284-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-4.9.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

Regressions detected.

While building mxs_defconfig for arm with GCC 8, 9, 10 and 11, the following error was encountered:

   /builds/linux/arch/arm/mach-mxs/mach-mxs.c:285:26: warning: duplicate 'const' declaration specifier [-Wduplicate-decl-specifier]
     285 | static const struct gpio const tx28_gpios[] __initconst = {
         |                          ^~~~~
   /builds/linux/drivers/pwm/pwm-mxs.c: In function 'mxs_pwm_probe':
   /builds/linux/drivers/pwm/pwm-mxs.c:164:24: error: implicit declaration of function 'dev_err_probe'; did you mean 'device_reprobe'? [-Werror=implicit-function-declaration]
     164 |                 return dev_err_probe(&pdev->dev, ret, "failed to reset PWM\n");
         |                        ^~~~~~~~~~~~~
         |                        device_reprobe
   cc1: some warnings being treated as errors
   make[3]: *** [/builds/linux/scripts/Makefile.build:280: drivers/pwm/pwm-mxs.o] Error 1

This is also seen in other branches (from 4.4 to 5.4). To reproduce this build locally:

   tuxmake \
     --target-arch=arm \
     --kconfig=mxs_defconfig \
     --toolchain=gcc-11 \
     --runtime=podman \
     config default kernel xipkernel modules dtbs dtbs-legacy debugkernel headers

Greetings!

Daniel Díaz
daniel.diaz@...aro.org