The following S390 allyesconfig build regressions noticed on the Linux next-20251027 tag with gcc-14.
* S390, build - gcc-14-allyesconfig
First seen on next-20251027 Good: next-20251024 Bad: next-20251027
Regression Analysis: - New regression? yes - Reproducibility? yes
Build regression: next-20251027: pf1550-onkey.c:154:12: error: 'pf1550_onkey_resume' defined but not used [-Werror=unused-function]
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
## Build error drivers/input/misc/pf1550-onkey.c:154:12: error: 'pf1550_onkey_resume' defined but not used [-Werror=unused-function] 154 | static int pf1550_onkey_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~~ drivers/input/misc/pf1550-onkey.c:133:12: error: 'pf1550_onkey_suspend' defined but not used [-Werror=unused-function] 133 | static int pf1550_onkey_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make[6]: *** [/builds/linux/scripts/Makefile.build:287: drivers/input/misc/pf1550-onkey.o] Error 1
## Source * Kernel version: 6.18.0-rc2-next-20251027 * Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git * Git describe: next-20251027 * Git commit: 8fec172c82c2b5f6f8e47ab837c1dc91ee3d1b87 * Architectures: S390 * Toolchains: gcc-14 * Kconfigs: allyesconfig
## Build * Test log: https://storage.tuxsuite.com/public/linaro/lkft/builds/34dKrowtK5wNPnem1T5LS... * Test details: https://regressions.linaro.org/lkft/linux-next-master/next-20251027/log-pars... * Build plan: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/builds/34dKrowtK5... * Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/34dKrowtK5wNPnem1T5LS... * Kernel config: https://storage.tuxsuite.com/public/linaro/lkft/builds/34dKrowtK5wNPnem1T5LS...
-- Linaro LKFT
On Mon, 27 Oct 2025 at 14:26, Naresh Kamboju naresh.kamboju@linaro.org wrote:
The following S390 allyesconfig build regressions noticed on the Linux next-20251027 tag with gcc-14.
- S390, build
- gcc-14-allyesconfig
First seen on next-20251027 Good: next-20251024 Bad: next-20251027
Regression Analysis:
- New regression? yes
- Reproducibility? yes
Build regression: next-20251027: pf1550-onkey.c:154:12: error: 'pf1550_onkey_resume' defined but not used [-Werror=unused-function]
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
Anders bisected this down to, 9acb215cbebd ("Input: pf1550 - add onkey support")
## Build error drivers/input/misc/pf1550-onkey.c:154:12: error: 'pf1550_onkey_resume' defined but not used [-Werror=unused-function] 154 | static int pf1550_onkey_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~~ drivers/input/misc/pf1550-onkey.c:133:12: error: 'pf1550_onkey_suspend' defined but not used [-Werror=unused-function] 133 | static int pf1550_onkey_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make[6]: *** [/builds/linux/scripts/Makefile.build:287: drivers/input/misc/pf1550-onkey.o] Error 1
## Source
- Kernel version: 6.18.0-rc2-next-20251027
- Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git
- Git describe: next-20251027
- Git commit: 8fec172c82c2b5f6f8e47ab837c1dc91ee3d1b87
- Architectures: S390
- Toolchains: gcc-14
- Kconfigs: allyesconfig
## Build
- Test log: https://storage.tuxsuite.com/public/linaro/lkft/builds/34dKrowtK5wNPnem1T5LS...
- Test details:
https://regressions.linaro.org/lkft/linux-next-master/next-20251027/log-pars...
- Build plan: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/builds/34dKrowtK5...
- Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/34dKrowtK5wNPnem1T5LS...
- Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/34dKrowtK5wNPnem1T5LS...
-- Linaro LKFT
Hi,
fix is at https://lore.kernel.org/r/20251028-pf1550-v1-1-c50fae56b9b1@gmail.com
Thanks for reporting Sam
On Mon, Oct 27, 2025 at 02:26:37PM +0530, Naresh Kamboju wrote:
The following S390 allyesconfig build regressions noticed on the Linux next-20251027 tag with gcc-14.
- S390, build
- gcc-14-allyesconfig
First seen on next-20251027 Good: next-20251024 Bad: next-20251027
Regression Analysis:
- New regression? yes
- Reproducibility? yes
Build regression: next-20251027: pf1550-onkey.c:154:12: error: 'pf1550_onkey_resume' defined but not used [-Werror=unused-function]
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
## Build error drivers/input/misc/pf1550-onkey.c:154:12: error: 'pf1550_onkey_resume' defined but not used [-Werror=unused-function] 154 | static int pf1550_onkey_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~~ drivers/input/misc/pf1550-onkey.c:133:12: error: 'pf1550_onkey_suspend' defined but not used [-Werror=unused-function] 133 | static int pf1550_onkey_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make[6]: *** [/builds/linux/scripts/Makefile.build:287: drivers/input/misc/pf1550-onkey.o] Error 1
## Source
- Kernel version: 6.18.0-rc2-next-20251027
- Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git
- Git describe: next-20251027
- Git commit: 8fec172c82c2b5f6f8e47ab837c1dc91ee3d1b87
- Architectures: S390
- Toolchains: gcc-14
- Kconfigs: allyesconfig
## Build
- Test log: https://storage.tuxsuite.com/public/linaro/lkft/builds/34dKrowtK5wNPnem1T5LS...
- Test details:
https://regressions.linaro.org/lkft/linux-next-master/next-20251027/log-pars...
- Build plan: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/builds/34dKrowtK5...
- Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/34dKrowtK5wNPnem1T5LS...
- Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/34dKrowtK5wNPnem1T5LS...
-- Linaro LKFT