Re: [PATCH 6.1 000/168] 6.1.157-rc1 review

Naresh Kamboju
2025-10-18T10:51:18Z

On Fri, 17 Oct 2025 at 20:27, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 6.1.157 release.
> There are 168 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/v6.x/stable-review/patch-6.1.157-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

The S390 builds failed on stable-rc 6.1.157-rc1 with gcc-14, gcc-8
and clang-21 due to following build warnings / errors.

This reported regressions also found on
- 5.15.195-rc1
- 6.6.113-rc1

### Build error:
drivers/s390/cio/device.c: In function 'purge_fn':
drivers/s390/cio/device.c:1316:23: error: passing argument 1 of
'spin_lock_irq' from incompatible pointer type
[-Wincompatible-pointer-types]
1316 | spin_lock_irq(&sch->lock);
| ^~~~~~~~~~
| |
| spinlock_t ** {aka struct spinlock **}
In file included from drivers/s390/cio/device.c:16:
include/linux/spinlock.h:374:55: note: expected 'spinlock_t *' {aka
'struct spinlock *'} but argument is of type 'spinlock_t **' {aka
'struct spinlock **'}
374 | static __always_inline void spin_lock_irq(spinlock_t *lock)
| ~~~~~~~~~~~~^~~~
drivers/s390/cio/device.c:1339:25: error: passing argument 1 of
'spin_unlock_irq' from incompatible pointer type
[-Wincompatible-pointer-types]
1339 | spin_unlock_irq(&sch->lock);
| ^~~~~~~~~~
| |
| spinlock_t ** {aka struct spinlock **}
include/linux/spinlock.h:399:57: note: expected 'spinlock_t *' {aka
'struct spinlock *'} but argument is of type 'spinlock_t **' {aka
'struct spinlock **'}
399 | static __always_inline void spin_unlock_irq(spinlock_t *lock)
| ~~~~~~~~~~~~^~~~
make[4]: *** [scripts/Makefile.build:250: 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: 6.1.157-rc1: s390/cio/device.c:1316:23: 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/34COEro5epq7T4CfI69lXe4c1ZJ/build.log
* Build details:
https://regressions.linaro.org/lkft/linux-stable-rc-linux-6.1.y/v6.1.156-169-gec44a71e7948/log-parser-build-kernel/gcc-compiler-_drivers_s_cio_device_c_error_passing_argument_of_spin_lock_irq_from_incompatible_pointer_type/
* Build plan: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/builds/34COEro5epq7T4CfI69lXe4c1ZJ
* Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/34COEro5epq7T4CfI69lXe4c1ZJ/
* Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/34COEro5epq7T4CfI69lXe4c1ZJ/config

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

## Build
* kernel: 6.1.157-rc1
* git: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
* git commit: ec44a71e7948d92858fec8b3fbefb7638144f586
* git describe: v6.1.156-169-gec44a71e7948
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.1.y/build/v6.1.156-169-gec44a71e7948

## Test Regressions (compared to v6.1.155-197-gb9f52894e35f)
* s390, build
- clang-21-allnoconfig
- clang-21-defconfig
- clang-21-tinyconfig
- clang-nightly-allnoconfig
- clang-nightly-defconfig
- clang-nightly-tinyconfig
- gcc-14-allmodconfig
- gcc-14-allnoconfig
- gcc-14-defconfig
- gcc-14-tinyconfig
- gcc-8-allnoconfig
- gcc-8-defconfig-fe40093d
- gcc-8-tinyconfig

## Metric Regressions (compared to v6.1.155-197-gb9f52894e35f)

## Test Fixes (compared to v6.1.155-197-gb9f52894e35f)

## Metric Fixes (compared to v6.1.155-197-gb9f52894e35f)

## Test result summary
total: 87986, pass: 72984, fail: 2700, skip: 12061, xfail: 241

## Build Summary
* arc: 5 total, 5 passed, 0 failed
* arm: 133 total, 132 passed, 1 failed
* arm64: 41 total, 38 passed, 3 failed
* i386: 21 total, 21 passed, 0 failed
* mips: 26 total, 25 passed, 1 failed
* parisc: 4 total, 4 passed, 0 failed
* powerpc: 32 total, 31 passed, 1 failed
* riscv: 11 total, 10 passed, 1 failed
* s390: 14 total, 0 passed, 14 failed
* sh: 10 total, 10 passed, 0 failed
* sparc: 7 total, 7 passed, 0 failed
* x86_64: 33 total, 32 passed, 1 failed

## Test suites summary
* boot
* commands
* 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-kvm
* kselftest-livepatch
* kselftest-membarrier
* kselftest-mincore
* kselftest-mqueue
* kselftest-openat2
* kselftest-ptrace
* kselftest-rseq
* kselftest-rtc
* kselftest-sigaltstack
* kselftest-size
* 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