The following build regressions are noticed on x86 due to following Warnings and errors with clang-19 and clang-nightly, The builds with gcc-13 do PASS.
Started happening on next-20241023. Good: next-20241022 Bad: next-20241023
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
Build log: —------- drivers/acpi/prmt.c:156:29: error: passing 1-byte aligned argument to 4-byte aligned parameter 1 of 'efi_pa_va_lookup' may result in an unaligned pointer access [-Werror,-Walign-mismatch] 156 | (void *)efi_pa_va_lookup(&th->guid, handler_info->handler_address); | ^ drivers/acpi/prmt.c:159:21: error: passing 1-byte aligned argument to 4-byte aligned parameter 1 of 'efi_pa_va_lookup' may result in an unaligned pointer access [-Werror,-Walign-mismatch] 159 | efi_pa_va_lookup(&th->guid, handler_info->static_data_buffer_address); | ^ drivers/acpi/prmt.c:162:21: error: passing 1-byte aligned argument to 4-byte aligned parameter 1 of 'efi_pa_va_lookup' may result in an unaligned pointer access [-Werror,-Walign-mismatch] 162 | efi_pa_va_lookup(&th->guid, handler_info->acpi_param_buffer_address); | ^ 3 errors generated.
Suspecting commit: ACPI: PRM: Find EFI_MEMORY_RUNTIME block for PRM handler and context Commit id: 088984c8d54c0053fc4ae606981291d741c5924b
Build Links: —--- build error link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2npIm4ZOkWenPJ71UOZG5...
Metadata: —---- Git_describe: next-20241023 Git_repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git Git_sha: ceab669fdf7b7510b4e4997b33d6f66e433a96db Build_name: clang-nightly-lkftconfig Compiler: clang-nightly Config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2npIm4ZOkWenPJ71UOZG5... Download_url: https://storage.tuxsuite.com/public/linaro/lkft/builds/2npIm4ZOkWenPJ71UOZG5...
-- Linaro LKFT https://lkft.linaro.org