linux-kernel - Re: [PATCH 5.4 000/222] 5.4.295-rc1 review

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Message-ID: <CA+G9fYvpJjhNDS1Knh0YLeZSXawx-F4LPM-0fMrPiVkyE=yjFw@mail.gmail.com>
Date: Tue, 24 Jun 2025 00:46:15 +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, 
	kvmarm@...ts.cs.columbia.edu, 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, hargar@...rosoft.com, broonie@...nel.org, 
	Marc Zyngier <maz@...nel.org>, James Morse <james.morse@....com>, 
	Julien Thierry <julien.thierry.kdev@...il.com>, Suzuki K Poulose <suzuki.poulose@....com>, 
	Russell King <linux@...linux.org.uk>, Linux ARM <linux-arm-kernel@...ts.infradead.org>, 
	Andy Gross <agross@...nel.org>
Subject: Re: [PATCH 5.4 000/222] 5.4.295-rc1 review

On Mon, 23 Jun 2025 at 18:40, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 5.4.295 release.
> There are 222 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, 25 Jun 2025 13:05:50 +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-5.4.295-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-5.4.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Regressions on arm defconfig builds with gcc-12 and clang failed on
the Linux stable-rc 5.4.295-rc1.

Regressions found on arm
* arm, build
  - clang-20-axm55xx_defconfig
  - clang-20-defconfig
  - clang-20-lkftconfig
  - clang-20-lkftconfig-no-kselftest-frag
  - clang-nightly-axm55xx_defconfig
  - clang-nightly-defconfig
  - clang-nightly-lkftconfig
  - gcc-12-axm55xx_defconfig
  - gcc-12-defconfig
  - gcc-12-lkftconfig
  - gcc-12-lkftconfig-debug
  - gcc-12-lkftconfig-kasan
  - gcc-12-lkftconfig-kunit
  - gcc-12-lkftconfig-libgpiod
  - gcc-12-lkftconfig-no-kselftest-frag
  - gcc-12-lkftconfig-perf
  - gcc-12-lkftconfig-rcutorture
  - gcc-8-axm55xx_defconfig
  - gcc-8-defconfig

Regression Analysis:
 - New regression? Yes
 - Reproducibility? Yes

Build regression: stable-rc 5.4.295-rc1 arm kvm init.S Error selected
processor does not support `eret' in ARM mode

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


## Build errors
arch/arm/kvm/init.S: Assembler messages:
arch/arm/kvm/init.S:109: Error: selected processor does not support
`eret' in ARM mode
arch/arm/kvm/init.S:116: Error: Banked registers are not available
with this architecture. -- `msr ELR_hyp,r1'
arch/arm/kvm/init.S:145: Error: selected processor does not support
`eret' in ARM mode
arch/arm/kvm/init.S:149: Error: selected processor does not support
`eret' in ARM mode
make[2]: *** [scripts/Makefile.build:345: arch/arm/kvm/init.o] Error 1

and
/tmp/cc0RDxs9.s: Assembler messages:
/tmp/cc0RDxs9.s:45: Error: selected processor does not support `smc
#0' in ARM mode
/tmp/cc0RDxs9.s:94: Error: selected processor does not support `smc
#0' in ARM mode
/tmp/cc0RDxs9.s:160: Error: selected processor does not support `smc
#0' in ARM mode
/tmp/cc0RDxs9.s:296: Error: selected processor does not support `smc
#0' in ARM mode
make[3]: *** [/builds/linux/scripts/Makefile.build:262:
drivers/firmware/qcom_scm-32.o] Error 1


## Source
* Kernel version: 5.4.295-rc1
* Git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
* Git sha: 7ff2d32362e444f6459597db979cab7af498cdf3
* Git describe: v5.4.294-223-g7ff2d32362e4
* Project details:
https://regressions.linaro.org/lkft/linux-stable-rc-linux-5.4.y/v5.4.294-223-g7ff2d32362e4/
* Architectures: arm
* Toolchains: gcc-13
* Kconfigs: defconfig

## Build arm
* Build log: https://qa-reports.linaro.org/api/testruns/28837192/log_file/
* Build log 2: https://qa-reports.linaro.org/api/testruns/28841756/log_file/
* Build details:
https://regressions.linaro.org/lkft/linux-stable-rc-linux-5.4.y/v5.4.294-223-g7ff2d32362e4/build/gcc-12-axm55xx_defconfig/
* Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2yuYHH1epMqFqeFlNFUWiMeDjEz/
* Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2yuYHH1epMqFqeFlNFUWiMeDjEz/config


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