On 9/11/25 10:37, Naresh Kamboju wrote:

The following build warnings / errors noticed on aram arm64 defconfig with clang-20 and clang-nightly toolchains on the Linux next-20250911 tag.

Regression Analysis:

• New regression? yes
• Reproducibility? yes

Build regression: next-20250911: mm/slub.c:3960:27: error: a function declaration without a prototype is deprecated in all versions of C void flush_all_rcu_sheaves()

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

## Build log mm/slub.c:3960:27: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes] 3960 | void flush_all_rcu_sheaves() | ^ | void 1 error generated.

Thanks, fixed already for tomorrow's -next

## Source

• Kernel version: 6.17.0-rc5
• Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git
• Git describe: 6.17.0-rc5-next-20250911
• Git commit: 8f21d9da46702c4d6951ba60ca8a05f42870fe8f
• Architectures: arm, arm64, i386, mips, powerpc, riscv, s390
• Toolchains: clang-20 and clang-nightly
• clang: Debian clang version 20.1.8

(++20250809043815+87f0227cb601-1~exp1~20250809163919.3)

• Kconfigs: defconfig+lkftconfigs

## Build

• Build log: https://qa-reports.linaro.org/api/testruns/29853978/log_file/
• Build details:

https://regressions.linaro.org/lkft/linux-next-master/next-20250911/build/cl...

• Build plan: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/builds/32XlFDtH7R...
• Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/32XlFDtH7RdddaA6FHsku...
• Kernel config:

https://storage.tuxsuite.com/public/linaro/lkft/builds/32XlFDtH7RdddaA6FHsku...

• Build log details:

https://regressions.linaro.org/lkft/linux-next-master/next-20250911/log-pars...

-- Linaro LKFT