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Date: Mon, 25 Mar 2024 16:51:50 -0600
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Subject: Re: [PATCH 5.4 000/180] 5.4.273-rc2 review
To: Sasha Levin <sashal@kernel.org>, linux-kernel@vger.kernel.org,
 stable@vger.kernel.org
Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org,
 linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org,
 lkft-triage@lists.linaro.org, florian.fainelli@broadcom.com, pavel@denx.de,
 abelova@astralinux.ru
References: <20240325115908.1765126-1-sashal@kernel.org>
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From: =?UTF-8?Q?Daniel_D=C3=ADaz?= <daniel.diaz@linaro.org>
In-Reply-To: <20240325115908.1765126-1-sashal@kernel.org>
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Hello!

On 25/03/24 5:59 a. m., Sasha Levin wrote:
> This is the start of the stable review cycle for the 5.4.273 release.
> There are 180 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 Wed Mar 27 11:59:07 AM 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-5.4.y&id2=v5.4.272
> or in the git tree and branch at:
>          git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
> and the diffstat can be found below.
> 
> Thanks,
> Sasha

There is a new warning introduced here, on Arm (64- and 32-bits) with GCC 8, GCC 12, Clang 17:

-----8<-----
   /builds/linux/drivers/cpufreq/brcmstb-avs-cpufreq.c:462:23: warning: mixing declarations and code is a C99 extension [-Wdeclaration-after-statement]
     462 |         struct private_data *priv = policy->driver_data;
         |                              ^
   1 warning generated.
----->8-----

Bisection points to

   commit 8930178165fac14653ef502321efc3d5ca7c66c4
   Author: Anastasia Belova <abelova@astralinux.ru>
   Date:   Wed Jan 17 10:12:20 2024 +0300

       cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value
       
       [ Upstream commit f661017e6d326ee187db24194cabb013d81bc2a6 ]


Reverting that commits makes the warning disappear.

Reproducer:

   tuxmake --runtime podman --target-arch arm64 --toolchain clang-17 --kconfig defconfig LLVM=1 LLVM_IAS=1

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


Greetings!

Daniel Díaz
daniel.diaz@linaro.org