linux-kernel - next-20250813 s390 allyesconfig undefined reference to `stmmac_simple_pm

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Message-ID: <CA+G9fYuY=O9EU6yY_QzVdqYyvWVFMcUSM9f9rFg-+1sRVFS6zQ@mail.gmail.com>
Date: Tue, 19 Aug 2025 15:07:56 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: open list <linux-kernel@...r.kernel.org>, Netdev <netdev@...r.kernel.org>, 
	lkft-triage@...ts.linaro.org, Linux Regressions <regressions@...ts.linux.dev>, 
	linux-s390@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>, Heiko Carstens <hca@...ux.ibm.com>, 
	Vasily Gorbik <gor@...ux.ibm.com>, Alexander Gordeev <agordeev@...ux.ibm.com>, 
	Jakub Kicinski <kuba@...nel.org>, Alexandre Torgue <alexandre.torgue@...s.st.com>, 
	Jose Abreu <joabreu@...opsys.com>, Ben Copeland <benjamin.copeland@...aro.org>, 
	Anders Roxell <anders.roxell@...aro.org>, Dan Carpenter <dan.carpenter@...aro.org>, 
	Arnd Bergmann <arnd@...db.de>
Subject: next-20250813 s390 allyesconfig undefined reference to `stmmac_simple_pm_ops'

Build regressions were detected on the s390 architecture with the
Linux next-20250813 tag when building with the allyesconfig configuration.

The failure is caused by unresolved symbol references to stmmac_simple_pm_ops
in multiple STMMAC driver object files, resulting in a link error during
vmlinux generation.

First seen on next-20250813
Good: next-20250812
Bad: next-20250813 and next-20250819

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

* s390, build
  - gcc-13-allyesconfig

Boot regression: next-20250813 s390 allyesconfig undefined reference
to `stmmac_simple_pm_ops'

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

## Build log
s390x-linux-gnu-ld:
drivers/net/ethernet/stmicro/stmmac/dwmac-rk.o:(.data.rel+0xa0):
undefined reference to `stmmac_simple_pm_ops'
s390x-linux-gnu-ld:
drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.o:(.data.rel+0xa0):
undefined reference to `stmmac_simple_pm_ops'
s390x-linux-gnu-ld:
drivers/net/ethernet/stmicro/stmmac/stmmac_pci.o:(.data.rel+0xe0):
undefined reference to `stmmac_simple_pm_ops'
s390x-linux-gnu-ld:
drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.o:(.data.rel+0xe0):
undefined reference to `stmmac_simple_pm_ops'
make[3]: *** [/scripts/Makefile.vmlinux:91: vmlinux.unstripped] Error 1

## Source
* Kernel version: 6.17.0-rc2
* Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git
* Git describe: next-20250818
* Git commit: 3ac864c2d9bb8608ee236e89bf561811613abfce
* Architectures: s390
* Toolchains: gcc-13
* Kconfigs: allyesconfig

## Build
* Build log: https://qa-reports.linaro.org/api/testruns/29579401/log_file/
* Build details:
https://regressions.linaro.org/lkft/linux-next-master/next-20250818/build/gcc-13-allyesconfig/
* Build plan: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/builds/31RcVYdjsdhroYxXs4TJYixUCaE
* Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/31RcVYdjsdhroYxXs4TJYixUCaE/
* Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/31RcVYdjsdhroYxXs4TJYixUCaE/config

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