On 11/18/24 7:10 AM, Naresh Kamboju wrote:

The davinci_all_defconfig and multi_v5_defconfig builds failed with clang-19 and clang-nightly on the Linux next-20241115 tag for the arm architectures. Same build pass with gcc-13.

First seen on Linux next-20241118 tag. Good: next-20241115 Bad: next-20241118

arm

• arm, build
  • clang-19-davinci_all_defconfig
  • clang-19-multi_v5_defconfig
  • clang-19-multi_v5_defconfig-65236a87
  • clang-nightly-davinci_all_defconfig
  • clang-nightly-multi_v5_defconfig
  • clang-nightly-multi_v5_defconfig-65236a87

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

Build error:

drivers/clk/davinci/psc.c:281:10: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct davinci_lpsc_clk *' [-Wint-conversion] 281 | return -ENOMEM; | ^~~~~~~ 1 error generated. make[6]: *** [scripts/Makefile.build:200: drivers/clk/davinci/psc.o] Error 1

Build image:

• https://storage.tuxsuite.com/public/linaro/lkft/builds/2p15j4StPnjuuRXu3qgnd...
• https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241118/tes...
• https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241118/tes...
• https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241118/tes...

Steps to reproduce:

• # tuxmake --runtime podman --target-arch arm --toolchain clang-19

--kconfig davinci_all_defconfig LLVM=1 LLVM_IAS=1

metadata:

git describe: next-20241118 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git sha: ae58226b89ac0cffa05ba7357733776542e40216 kernel config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2p15j4StPnjuuRXu3qgnd... build url: https://storage.tuxsuite.com/public/linaro/lkft/builds/2p15j4StPnjuuRXu3qgnd... toolchain: clang-19 config: davinci_all_defconfig and multi_v5_defconfig arch: arm

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

Hi Stephen,

This is caused by [1]. I looked at it again and the patch is wrong. Can you drop it from your tree or should we send another patch to fix the bad patch?

[1]: https://lore.kernel.org/linux-clk/20241114091422.75412-1-hanchunchao@inspur....