linux-kernel - Re: [PATCH 6.1 000/198] 6.1.21-rc1 review

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Date:   Tue, 21 Mar 2023 00:12:40 +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,
        Daniel Díaz <daniel.diaz@...aro.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        llvm@...ts.linux.dev, Michael Ellerman <mpe@...erman.id.au>
Subject: Re: [PATCH 6.1 000/198] 6.1.21-rc1 review

On Mon, 20 Mar 2023 at 20:26, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 6.1.21 release.
> There are 198 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, 22 Mar 2023 14:54:29 +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/v6.x/stable-review/patch-6.1.21-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-6.1.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h


Results from Linaro’s test farm.
Regressions on PowerPC build failures.

> Christophe Leroy <christophe.leroy@...roup.eu>
>     powerpc/64: Set default CPU in Kconfig
>

We see PowerPC build failures with Clang 16 and nightly on the
following configurations:
* cell_defconfig
* ppc64e_defconfig
* tqm8xx_defconfig

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

Error messages respectively:
-----8<-----
error: unknown target CPU 'cell'
note: valid target CPU values are: generic, 440, 450, 601, 602, 603,
603e, 603ev, 604, 604e, 620, 630, g3, 7400, g4, 7450, g4+, 750, 8548,
970, g5, a2, e500, e500mc, e5500, power3, pwr3, power4, pwr4, power5,
pwr5, power5x, pwr5x, power6, pwr6, power6x, pwr6x, power7, pwr7,
power8, pwr8, power9, pwr9, power10, pwr10, powerpc, ppc, ppc32,
powerpc64, ppc64, powerpc64le, ppc64le, future
----->8-----

-----8<-----
error: unknown target CPU 'e500mc64'
note: valid target CPU values are: generic, 440, 450, 601, 602, 603,
603e, 603ev, 604, 604e, 620, 630, g3, 7400, g4, 7450, g4+, 750, 8548,
970, g5, a2, e500, e500mc, e5500, power3, pwr3, power4, pwr4, power5,
pwr5, power5x, pwr5x, power6, pwr6, power6x, pwr6x, power7, pwr7,
power8, pwr8, power9, pwr9, power10, pwr10, powerpc, ppc, ppc32,
powerpc64, ppc64, powerpc64le, ppc64le, future
----->8-----

-----8<-----
error: unknown target CPU '860'
note: valid target CPU values are: generic, 440, 450, 601, 602, 603,
603e, 603ev, 604, 604e, 620, 630, g3, 7400, g4, 7450, g4+, 750, 8548,
970, g5, a2, e500, e500mc, e5500, power3, pwr3, power4, pwr4, power5,
pwr5, power5x, pwr5x, power6, pwr6, power6x, pwr6x, power7, pwr7,
power8, pwr8, power9, pwr9, power10, pwr10, powerpc, ppc, ppc32,
powerpc64, ppc64, powerpc64le, ppc64le, future
----->8-----

The bisection pointed to this commit,
  45f7091aac35 ("powerpc/64: Set default CPU in Kconfig")


Follow up fix patch is here as per Christophe Leroy comments,
 powerpc: Disable CPU unknown by CLANG when CC_IS_CLANG


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