Re: [PATCH 5.15 000/276] 5.15.195-rc1 review

Re: [PATCH 5.15 000/276] 5.15.195-rc1 review

[Naresh Kamboju]

On Fri, 17 Oct 2025 at 21:16, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 5.15.195 release.
> There are 276 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 Sun, 19 Oct 2025 14:50:59 +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-5.15.195-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-5.15.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

The S390 build failed on stable-rc 5.15.195-rc1 with gcc-12, gcc-8
and clang-21 due to following build warnings / errors.

### Build error:
drivers/s390/cio/device.c: In function 'purge_fn':
drivers/s390/cio/device.c:1330:23: error: passing argument 1 of
'spin_lock_irq' from incompatible pointer type
[-Werror=incompatible-pointer-types]
 1330 |         spin_lock_irq(&sch->lock);
      |                       ^~~~~~~~~~
      |                       |
      |                       spinlock_t ** {aka struct spinlock **}
In file included from drivers/s390/cio/device.c:16:
include/linux/spinlock.h:387:55: note: expected 'spinlock_t *' {aka
'struct spinlock *'} but argument is of type 'spinlock_t **' {aka
'struct spinlock **'}
  387 | static __always_inline void spin_lock_irq(spinlock_t *lock)
      |                                           ~~~~~~~~~~~~^~~~
drivers/s390/cio/device.c:1353:25: error: passing argument 1 of
'spin_unlock_irq' from incompatible pointer type
[-Werror=incompatible-pointer-types]
 1353 |         spin_unlock_irq(&sch->lock);
      |                         ^~~~~~~~~~
      |                         |
      |                         spinlock_t ** {aka struct spinlock **}
include/linux/spinlock.h:412:57: note: expected 'spinlock_t *' {aka
'struct spinlock *'} but argument is of type 'spinlock_t **' {aka
'struct spinlock **'}
  412 | static __always_inline void spin_unlock_irq(spinlock_t *lock)
      |                                             ~~~~~~~~~~~~^~~~
cc1: some warnings being treated as errors
make[3]: *** [scripts/Makefile.build:289: drivers/s390/cio/device.o] Error 1

### Suspecting patches
Suspecting commit,

  s390/cio: Update purge function to unregister the unused subchannels
  [ Upstream commit 9daa5a8795865f9a3c93d8d1066785b07ded6073 ]


Build regressions: 5.15.195-rc1: S390: cio/device.c:1330:23: error:
passing argument 1 of 'spin_lock_irq' from incompatible pointer type

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

## Build
* Build log: https://storage.tuxsuite.com/public/linaro/lkft/builds/34CVOf1lD7sJImDyWLFpIY7OBMW/build.log
* Build details:
https://regressions.linaro.org/lkft/linux-stable-rc-linux-5.15.y/v5.15.194-277-g06cf22cc87e0/build/gcc-12-defconfig/
* Build plan: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/builds/34CVOf1lD7sJImDyWLFpIY7OBMW
* Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/34CVOf1lD7sJImDyWLFpIY7OBMW/
* Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/34CVOf1lD7sJImDyWLFpIY7OBMW/config

### Steps to reproduce
 - tuxmake --runtime podman --target-arch s390 --toolchain gcc-12
--kconfig defconfig

## Build
* kernel: 5.15.195-rc1
* git: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
* git commit: 06cf22cc87e00b878c310d5441981b7750f04078
* git describe: v5.15.194-277-g06cf22cc87e0
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.194-277-g06cf22cc87e0

## Test Regressions (compared to v5.15.193-152-g2e59a3f5f544)

* s390, build
  - gcc-12-allnoconfig
  - gcc-12-defconfig
  - gcc-12-tinyconfig
  - gcc-8-allnoconfig
  - gcc-8-defconfig-fe40093d
  - gcc-8-tinyconfig

## Metric Regressions (compared to v5.15.193-152-g2e59a3f5f544)

## Test Fixes (compared to v5.15.193-152-g2e59a3f5f544)

## Metric Fixes (compared to v5.15.193-152-g2e59a3f5f544)

## Test result summary
total: 54723, pass: 44299, fail: 2433, skip: 7666, xfail: 325

## Build Summary
* arc: 5 total, 5 passed, 0 failed
* arm: 101 total, 101 passed, 0 failed
* arm64: 28 total, 27 passed, 1 failed
* i386: 18 total, 18 passed, 0 failed
* mips: 22 total, 22 passed, 0 failed
* parisc: 3 total, 3 passed, 0 failed
* powerpc: 22 total, 22 passed, 0 failed
* riscv: 8 total, 8 passed, 0 failed
* s390: 9 total, 0 passed, 9 failed
* sh: 10 total, 10 passed, 0 failed
* sparc: 6 total, 6 passed, 0 failed
* x86_64: 24 total, 24 passed, 0 failed

## Test suites summary
* boot
* kselftest-arm64
* kselftest-breakpoints
* kselftest-capabilities
* kselftest-clone3
* kselftest-core
* kselftest-cpu-hotplug
* kselftest-exec
* kselftest-fpu
* kselftest-futex
* kselftest-intel_pstate
* kselftest-kcmp
* kselftest-livepatch
* kselftest-membarrier
* kselftest-mincore
* kselftest-mm
* kselftest-mqueue
* kselftest-net
* kselftest-net-mptcp
* kselftest-openat2
* kselftest-ptrace
* kselftest-rseq
* kselftest-rtc
* kselftest-seccomp
* kselftest-sigaltstack
* kselftest-size
* kselftest-tc-testing
* kselftest-timers
* kselftest-tmpfs
* kselftest-tpm2
* kselftest-user_events
* kselftest-vDSO
* kselftest-x86
* kunit
* kvm-unit-tests
* lava
* libgpiod
* libhugetlbfs
* log-parser-boot
* log-parser-build-clang
* log-parser-build-gcc
* log-parser-test
* ltp-capability
* ltp-commands
* ltp-containers
* ltp-controllers
* ltp-cpuhotplug
* ltp-crypto
* ltp-cve
* ltp-dio
* ltp-fcntl-locktests
* ltp-fs
* ltp-fs_bind
* ltp-fs_perms_simple
* ltp-hugetlb
* ltp-math
* ltp-mm
* ltp-nptl
* ltp-pty
* ltp-sched
* ltp-smoke
* ltp-syscalls
* ltp-tracing
* perf
* rcutorture

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

Re: [PATCH 5.15 000/276] 5.15.195-rc1 review

[Greg Kroah-Hartman]

On Sat, Oct 18, 2025 at 02:38:46PM +0530, Naresh Kamboju wrote:
> On Fri, 17 Oct 2025 at 21:16, Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> >
> > This is the start of the stable review cycle for the 5.15.195 release.
> > There are 276 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 Sun, 19 Oct 2025 14:50:59 +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-5.15.195-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-5.15.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
> 
> The S390 build failed on stable-rc 5.15.195-rc1 with gcc-12, gcc-8
> and clang-21 due to following build warnings / errors.
> 
> ### Build error:
> drivers/s390/cio/device.c: In function 'purge_fn':
> drivers/s390/cio/device.c:1330:23: error: passing argument 1 of
> 'spin_lock_irq' from incompatible pointer type
> [-Werror=incompatible-pointer-types]
>  1330 |         spin_lock_irq(&sch->lock);
>       |                       ^~~~~~~~~~
>       |                       |
>       |                       spinlock_t ** {aka struct spinlock **}
> In file included from drivers/s390/cio/device.c:16:
> include/linux/spinlock.h:387:55: note: expected 'spinlock_t *' {aka
> 'struct spinlock *'} but argument is of type 'spinlock_t **' {aka
> 'struct spinlock **'}
>   387 | static __always_inline void spin_lock_irq(spinlock_t *lock)
>       |                                           ~~~~~~~~~~~~^~~~
> drivers/s390/cio/device.c:1353:25: error: passing argument 1 of
> 'spin_unlock_irq' from incompatible pointer type
> [-Werror=incompatible-pointer-types]
>  1353 |         spin_unlock_irq(&sch->lock);
>       |                         ^~~~~~~~~~
>       |                         |
>       |                         spinlock_t ** {aka struct spinlock **}
> include/linux/spinlock.h:412:57: note: expected 'spinlock_t *' {aka
> 'struct spinlock *'} but argument is of type 'spinlock_t **' {aka
> 'struct spinlock **'}
>   412 | static __always_inline void spin_unlock_irq(spinlock_t *lock)
>       |                                             ~~~~~~~~~~~~^~~~
> cc1: some warnings being treated as errors
> make[3]: *** [scripts/Makefile.build:289: drivers/s390/cio/device.o] Error 1
> 
> ### Suspecting patches
> Suspecting commit,
> 
>   s390/cio: Update purge function to unregister the unused subchannels
>   [ Upstream commit 9daa5a8795865f9a3c93d8d1066785b07ded6073 ]
> 
> 
> Build regressions: 5.15.195-rc1: S390: cio/device.c:1330:23: error:
> passing argument 1 of 'spin_lock_irq' from incompatible pointer type
> 
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Thanks for the report, I'll go drop this from all 3 queues now.

greg k-h